Period cohort studies. Medical search. Frequent questions

We conducted a retrospective cohort study to compare national case notification and treatment outcomes for patients with TB and MDR/RR TB in Vietnam in 2020, the first year of the COVID-19 pandemic, with those from the preceding 5 years (2015-2019). (cdc.gov)
However, the vast majority of current studies address the relationship between AIS and CRP and are mostly retrospective. (hindawi.com)
Following ethical approval by the Ethics Committee of Peking University First Hospital (No. 2021-226, date of approval: 23 June 2021, Chairman: Professor Yanyan Yu), a retrospective cohort study was carried out on patients who received general anesthesia for cesarean section over a period of 10 years (January 2010 to December 2019). (frontiersin.org)
Design Retrospective cohort study. (bmj.com)
A retrospective cohort study was conducted in Denmark to investigate the risk of neurological diseases among people who had survived an electric accident in 1968-2008. (emf-portal.org)
Since this is a retrospective cohort study, blood sampling intervals for assessing serum potassium and other laboratory data were not fixed. (bmj.com)
In order to assess the environmental health risk of residents in eight municipalities of the Venafro Valley, a retrospective residential cohort study during 2006-2019 was carried out. (biomedcentral.com)
Methods We conducted a retrospective cohort study using a database extracted from Taiwan's National Health Insurance Research Database. (bmj.com)
This was a retrospective cohort study. (bmj.com)
We conducted a retrospective, longitudinal study of a nationwide, population-based cohort in Taiwan, using the National Health Institute Research Database (NHIRD). (jrheum.org)
2022) Potential risk factors for mortality in patients with COVID-19: A retrospective study. (who.int)
Method: A retrospective cohort (follow-up) study was conducted using the antenatal clinic register. (bvsalud.org)

This was a nationwide population-based cohort study of patients with thyroid cancer diagnosed during the period 1998-2008. (nih.gov)
This population-based cohort study was adjusted for potential risk factors to minimise study bias. (bmj.com)
The Malmö Diet and Cancer Study is a Swedish prospective population-based cohort study with baseline data collection performed between year 1991-1996. (lu.se)

We carried out a prospective cohort study (1997-2002) in 4 large hospitals in North West England. (psychiatrist.com)
This study is based on a large prospective cohort study and is free of the abstainer error. (bmj.com)
This prospective cohort study aims to investigate the incidence, related factors and prognosis of IgG4-related disease (IgG4-RD) with malignancies in the Chinese cohort. (nature.com)
This was a multicentre observational prospective cohort study conducted in Europe and Canada. (uzh.ch)
Design Population-based prospective cohort study. (bmj.com)
151 women with risk factors for or clinical signs and symptoms of preeclampsia were selected from a prospective cohort. (biomedcentral.com)
In this prospective cohort, serum biomarkers of biochemical disease were effective in short-term prediction of preeclampsia, and the performance of GlyFn in particular as a POC test may meet the needs of rapid and accurate triage and intervention. (biomedcentral.com)
This prospective cohort study of New York City firefighters compared the timing and incidence of physician-diagnosed OAD relative to WTC-exposure. (cdc.gov)
Methods Following the PRISMA guidelines, we systematically searched the literature for population-based prospective cohort studies exploring the association between circulating IL-6 levels and risk of incident ischemic stroke. (medrxiv.org)

During a study pre-test in 2009 and the study main launch in 2010, prospective participants were randomly selected by their mobile phone network operator to be invited to participate. (wikipedia.org)
Participants are also asked to give permission for the study to access their NHS and mobile phone records. (wikipedia.org)
Participants from the EPIC Spanish cohort were included (15 630 men and 25 808 women). (bmj.com)
Participants Athletes ranked in the national top 10 in each event were invited to a one-year surveillance study. (bmj.com)
Study participants are 18,963 middle-aged women and men who are New York State fishing license holders and who reside in 16 New York counties that border Lakes Ontario and Erie. (cdc.gov)
Herein we report on a pilot study involving twelve participants with ALS and nine age-matched healthy controls who underwent high-resolution resting state functional magnetic resonance imaging at an ultra-high field of 7 Tesla. (biorxiv.org)
Participants All patients referred to the sports medicine clinic by other primary care physicians over a 1-year time period of July 2006-June 2007. (bmj.com)
Among the 1,461 participants in CAPS5, 10 participants were diagnosed with pancreatic ductal adenocarcinoma, including 9 with disease that was screen-detected within the surveillance period. (ascopost.com)
In the entire CAPS cohort of 1,731 participants, 26 were diagnosed with pancreatic ductal adenocarcinoma, including 19 with screen-detected disease within surveillance. (ascopost.com)
Informed consent was obtained from all individual participants included in the study. (who.int)
There was no significant increase in decision certainty for participants in states with waiting period laws (mean change score −1.0, 95% CI −2.8 to 2.8). (lww.com)
The study participants comprised 2980 patients undergoing screening gastroscopy with standardised gastric mucosal sampling, from January 2004 and December 2010, with scheduled surveillance endoscopies at year 3 and 5. (bmj.com)
Study participants had a broad range of comorbidities, and many were concomitantly receiving other medications. (medscape.com)
The comparison group included participants undergoing colonoscopy by the same endoscopist (MS) during the same time period without the device. (sages.org)
The interpret as reported by the World Health participants' consents were obtained prior to the Organization (WHO), especially in comparison to start of this research study as it has been mentioned other countries of eastern Mediterranean region previously in [12]. (who.int)
Among the 26,063 participants, 672 cases were ascertained during a mean follow-up period of 20 years. (lu.se)

Standardised methods were used to measure household dietary intake during a one week period. (bmj.com)
These studies can also test new imaging methods and ways to improve quality of life. (cancer.net)
Methods: Using data from the Tehran Lipid and Glucose Study, 1169 adolescents (12-18 years old) were followed into their young adulthood (28-32 years old), from 2002 to 2016. (who.int)
Methods A prospective, longitudinal and multicentre study was carried out in Singapore. (bmj.com)
The study uses innovative statistical methods - parametric survival models with change points - to study the incidence of new onset obstructive airway disease (OAD) diagnoses and symptoms over the first ten years following WTC exposure, with the goal of determining the length of time that exposure response gradients are observed among exposed FDNY firefighters. (cdc.gov)
Materials and methods: We carried out a case-control study at the Bougouni Reference health center in 2019. (bvsalud.org)

This interim analysis focuses on feasibility of the planned statistical analysis regarding data distribution and completeness, treatment intention, safety and health-related quality of life (HRQOL) of the first 50 patients prospectively enrolled in the CIrse REgistry for LifePearl™ microspheres (CIREL), an observational multicentre study conducted across Europe. (springer.com)
Method - A population-based observational cohort study of older adults was conducted from January 1, 1997, to April 14, 2007, utilizing large administrative health care databases in Ontario, Canada. (ices.on.ca)
Observational studies. (cancer.net)
Observational research helps with the study of epidemiology. (cancer.net)
Experimental studies are more reliable than observational studies. (cancer.net)

Output functions include model-based estimators of cross-sectional and longitudinal age-specific rates, period and cohort rate ratios that incorporate the overall annual percentage change (net drift), and estimators of the age-specific annual percentage change (local drifts). (nih.gov)
Reference Henry and Rendell 4 Similar deficits are reported in motherhood in cross-sectional Reference Swain, O'Hara, Starr and Gorman 19 and longitudinal studies Reference de Groot, Vuurman, Hornstra and Jolles 13 , Reference Harris, Deary, Harris, Lees and Wilson 18 (but see Crawley et al ). (cambridge.org)
Both SARS-CoV-2 infection and COVID-19 vaccina- prevalence of infection- or vaccination-induced antibodies (or tion result in production of anti-S antibodies, whereas anti-N both), data from a nationwide, longitudinal cohort of blood antibodies only result from infection. (cdc.gov)
There were fewer longitudinal research studies found that exclusively describe QA and QC in their projects to achieve international quality standardization [ 5 , 10 , 16 , 17 ]. (hindawi.com)
We conducted a longitudinal nationwide cohort study in Taiwan to investigate whether SS increases the risks of DVT and PE. (jrheum.org)

During a median follow-up period of 61.4 ± 26.4 months, all patients with IgG4-RD and malignancies survived. (nature.com)
We consecutively collected data on patients with IgG4-RD and malignancies who were prospectively enrolled in the IgG4-RD cohort in PUMCH from January 2011 and June 2018. (nature.com)
17.5% of patients (n = 61) reported at least one adverse event related to the study drug. (uzh.ch)
A total of 130 (7.6%) of our patients were rehospitalised within the study period. (smw.ch)
In this study, we aimed to evaluate whether patients with SS exhibit an increased risk of AA or AD. (bmj.com)
Studies of the risks of deep vein thrombosis (DVT) and pulmonary embolism (PE) in patients with Sjögren syndrome (SS) in Asia are scant. (jrheum.org)
We followed 8920 patients with SS and a comparison cohort of 35,680 for about 50,000 and 200,000 person-years, respectively. (jrheum.org)
The mean age of the SS and comparison cohorts was 53.5 and 53.1 years, respectively, and 88.9% of the patients were women. (jrheum.org)
Most studies on SS have focused on treatment and improving the quality of life of patients with SS 17 , 18 , 19 , 20 . (jrheum.org)
In each study, 100 Thai patients severely exposed (1) to rabies were treated and followed for 1 year. (cdc.gov)
In the first study, the 100 patients who were treated with the abbreviated IM regimen (2-1-1 IM) received 0.5 mL (a full dose of this vaccine) IM in the deltoid region of each arm on day 0, one dose on day 7, and one dose on day 21 (2). (cdc.gov)
In the second study, the 100 patients treated with the Thai Red Cross ID (TRC-ID) regimen received two ID injections of 0.1 mL each at different deltoid area sites on days 0, 3, and 7 and one 0.1 mL ID injection on days 30 and 90 (3). (cdc.gov)
The multicenter, double-blind study included 1795 patients (mean age, 71 years) who had mild cognitive impairment due to AD or mild AD dementia. (medscape.com)
Nasdaq: DRRX) announced today positive preliminary results from the second cohort of an on-going Phase II clinical study in hernia patients for DURECT's post-operative pain relief depot product candidate, SABER(TM)-Bupivacaine. (durect.com)
Of note, five of the ten patients receiving SABER-Bupivacaine in cohort 2 of our Phase II study took no supplemental analgesics over the four-day period following treatment," stated James E. Brown, DVM, President and CEO of DURECT. (durect.com)
The trial is designed to include three cohorts for the treatment of pain in patients following repair of inguinal hernia. (durect.com)
Six patients were enrolled in cohort 1 and fifteen patients were enrolled in cohort 2. (durect.com)
Patients in cohort 2 received injections of either SABER-Bupivacaine or commercial bupivacaine (the current standard of care) at the completion of surgery. (durect.com)
The Company anticipates that approximately 60 patients will be enrolled in cohort 3 of the Phase II study. (durect.com)
Additional, randomized studies are needed to determine if this simple, non-invasive device can improve colonoscopy for patients and providers alike, and to identify patient populations most likely to benefit from its use. (sages.org)

Age-period-cohort (APC) analysis can inform registry-based studies of cancer incidence and mortality, but concerns about statistical identifiability and interpretability, as well as the learning curves of statistical software packages, have limited its uptake. (nih.gov)
1 It was shown some 60 years ago that energy restriction in an otherwise adequate diet extended life expectancy in rats considerably, 2 and the animal evidence for a positive relation between dietary intake during the growth period and later incidence of cancer is now well established. (bmj.com)
The treated ADHD group had higher rates of attrition and incidence of mental health disorders during the follow-up period. (health.mil)
We conclude that an increased incidence of malignancy was found in Chinese IgG4-RD cohort. (nature.com)
Results In this nationwide register-based cohort study, which included all 1 357 543 live births in Norway between 1994 and 2016, the incidence of IE according to the European Society of Cardiology diagnostic criteria was 2.2 per 10 000 person-years among children and adolescents with CHDs. (bmj.com)
The incidence was stable throughout the period. (bmj.com)
The incidence and point prevalence of bronchiectasis increased yearly during the study period. (ersjournals.com)

The objective of this paper is to analyse the association between alcohol intake and CHD risk in the Spanish cohort of the European Prospective Investigation into Cancer (EPIC). (bmj.com)
The objective of this study was to assess attrition from military service in newly accessed active component service members diagnosed with ADHD as compared to controls. (health.mil)
The objective of this study was to evaluate the association between (131)I therapy for thyroid cancer and risk of receiving cataract surgery in Taiwan. (nih.gov)
Objective To conduct a meta-analysis of case-control and cohort studies on welding or exposure to welding fumes and risk of lung cancer, accounting for confounding by exposure to asbestos and tobacco smoking. (bmj.com)

7 The association with leg length was greater than that with overall height, a finding that is consistent with analyses from the Boyd Orr cohort. (bmj.com)
8 As most studies have limited their analyses to infections diagnosed during pregnancy rather than prior to conception, in this report we sought to investigate the associations between a prior diagnosis of chlamydia or gonorrhoea, the timing of the diagnosis in relation to the pregnancy, and the likelihood of serious obstetric outcomes (SPTB, small for gestational age (SGA) and stillbirth) in a large cohort of women having their first birth. (bmj.com)
There was only moderate heterogeneity and the results were consistent in sensitivity analyses restricted to studies of low risk of bias and studies fully adjusting for demographic and vascular risk factors. (medrxiv.org)

Key QA and QC decisions were adopted in the construction of this cohort, its follow-up, and integrity of the conclusions drawn of the collected data. (hindawi.com)
Conclusions This study supports the feasibility and benefit of using video recordings to identify NE in infants with perinatal asphyxia. (bmj.com)
Conclusions Sexually transmissible infections in pregnancy and the preconception period may be important in predicting pregnancy outcomes. (bmj.com)
Conclusions: In the European Prospective Investigation into Cancer and Nutrition cohort, consumption of unprocessed/minimally processed foods was associated with a lower risk of CD. (lu.se)

The association between alcohol consumption and coronary heart disease (CHD) has been widely studied. (bmj.com)
The investigators concluded, "Most pancreatic cancers diagnosed within the CAPS high-risk cohort in the recent years have had stage I disease with long-term survival. (ascopost.com)
The study was based on the Mini-Finland Health Survey, which was conducted from 1978 to 1980, with Parkinson disease occurrence follow-up through the end of 2007. (unboundmedicine.com)
During the 29-year follow-up period, 50 incident Parkinson disease cases occurred. (unboundmedicine.com)
Studies have demonstrated that atrial fibrillation and cerebrovascular disease (CVA) are risk factors of VTE 4 , 5 , 6 . (jrheum.org)
The latency period between exposure and disease onset remains uncertain. (cdc.gov)
The World Trade Center (WTC) disaster presents a unique opportunity to describe the latency period for obstructive airway disease (OAD) diagnoses. (cdc.gov)
We investigated the relationship between the degree of food processing and risks of Crohn's disease (CD) and ulcerative colitis (UC) in the European Prospective Investigation into Cancer and Nutrition cohort. (lu.se)

Animal studies have shown that energy restriction results in a reduced risk of cancer. (bmj.com)

Design Cohort study with 52 weeks duration. (bmj.com)
The funders had no role in the design and conduct of the study, in the collection, analysis and interpretation of the data, and in the preparation, review or approval of the manuscript. (bmj.com)
A suggested response to this problem was to develop a mechanism to standardize elements of the questionnaire, study design, and method of administration. (hindawi.com)
Doctors and scientists can design these studies in many ways to answer the questions they have. (cancer.net)
No study design is perfect. (cancer.net)
The strength of our study is its population-based cohort design with a large sample size. (bmj.com)
Increased risks persisted regardless of time period, geographic location, study design, occupational setting, exposure assessment method and histological subtype. (bmj.com)

Previous studies have shown that in the general population, elevated serum or plasma CRP may lead to future vascular events [ 13 - 16 ]. (hindawi.com)

The study will[needs update] investigate the possible health effects of long-term use of mobile phones and other wireless technologies. (wikipedia.org)
The aim of this study was to investigate the occurrence and outcomes of IE in children and adolescents with CHDs. (bmj.com)
The aim of this study was consequently to investigate the association between dietary fiber intake as well as the main food sources of fiber, i.e. fruit and vegetables and whole grains, and risk of incident aortic stenosis. (lu.se)

Moreover, QA and QC tools were developed for the planning, execution, and effective analysis of epidemiological studies [ 4 ]. (hindawi.com)
Welding fumes are classified by the International Agency for Research on Cancer as carcinogenic to humans (group 1), based on sufficient evidence of lung cancer from epidemiological studies. (bmj.com)
Epidemiological studies have shown that certain autoimmune diseases are associated with VTE 14 , 15 , 16 . (jrheum.org)

The COSMOS study aims to carry out long term health monitoring of a large group of people to identify if there are any health issues linked to long term mobile phone use. (wikipedia.org)
In women with high pre-gestational BMI and twin pregnancy, our aims were to explore the biochemical and hematological parameters and to study the rate of obstetric adverse outcomes. (mdpi.com)
This study aims to compare the safety and efficacy of stent-assisted coiling (SAC) with those of coiling alone (CA) for the treatment of ruptured tiny intracranial aneurysms. (frontiersin.org)
The current study aims to more firmly establish the link between organochlorine exposure and endocrine disruption. (cdc.gov)

few studies have looked at the relationship between CRP and large artery atherosclerosis- (LAA-) type AIS. (hindawi.com)
There are still significant uncertainties that can only be resolved by monitoring the health of a large cohort of phone users over a long period of time. (wikipedia.org)
This was the first time that a large cohort study was conducted with Cortiment®$^{MMX®}$ in a real-life setting. (uzh.ch)
A mailed follow-up health survey is being conducted in a large established and well-characterized cohort of adults enrolled in the New York State Angler Cohort Study (NYSACS). (cdc.gov)
Since the development and refinement of QA, QC, and testing tools in clinical research, the planning and conduction of large studies improved greatly. (hindawi.com)
No large study has been performed in the UK since the 1950s and there are only limited relevant data from non-UK sources [ 1 - 5 ]. (ersjournals.com)

The association between the industrial pollution and cause-specific mortality/morbidity of the cohort was calculated using the Hazard Ratio (HR) through a multiple time-dependent and sex-specific Cox regression adjusting for age, proximity to main roads and socio-economic deprivation index. (biomedcentral.com)

A substantial literature on QA and QC has appeared in the framework of cohort studies and clinical trials. (hindawi.com)
Experimental studies, called clinical trials. (cancer.net)
Experimental studies and clinical trials help researchers learn more about how cancer starts or spreads. (cancer.net)
Along with findings from genetic studies and clinical trials, these results provide additional support for a key role of IL-6 signaling in ischemic stroke. (medrxiv.org)

Therefore, this cohort study aimed to assess maternal and neonatal outcomes when the LMA Supreme was used for cesarean section under general anesthesia. (frontiersin.org)

Between August 1992 and December 1998 we conducted a seven-wave cohort study of adolescent health in Victoria, Australia. (cambridge.org)
The Information Commissioner has advised that this research study complies fully with the requirements of the Data Protection Act 1998. (wikipedia.org)
the CAPS1-4 studies were single-institution studies initiated at Johns Hopkins in 1998. (ascopost.com)

We evaluated the effect of SS on the incidences of DVT and PE in a nationwide, population-based cohort in Taiwan. (jrheum.org)

In a phase 3 clinical trial, people in the study are usually randomly placed in either the intervention group or control group. (cancer.net)

These theories may help guide future studies to explore whether inheritance of epigenetic modifications due to endocrine disruption exposure is possible in humans. (cdc.gov)

For future studies, the authors recommend enriching the exposure and lifestyle profile using tools such as questionnaires and human biomonitoring. (biomedcentral.com)
I 2 =41.2%) for 8 case-control studies that adjusted for smoking and asbestos exposure. (bmj.com)
This study will allow estimation of the length of time that a relatively short-term, high intensity exposure may be associated with incident respiratory illness. (cdc.gov)
This research in the FDNY firefighter cohort found that physician diagnosis of incident OAD is associated with World Trade Center (WTC) exposure for at least five years after the exposure. (cdc.gov)

Although previous studies have reported the successful use of the LMA in cesarean section, the role of LMA in obstetric general anesthesia is, to date, still highly debatable ( 12 - 17 ). (frontiersin.org)
1 , 2 Some studies suggest that infections such as chlamydia and gonorrhoea diagnosed during pregnancy may predispose women to serious adverse obstetric outcomes such as spontaneous preterm birth (SPTB), low birth weight and stillbirth but other studies have not found such associations. (bmj.com)

The results of the study will be published following independent review but no individually identifying data will ever be published. (wikipedia.org)
The sample data were weighted to account for success of public health infection prevention efforts while also selection into the study cohort, for nonresponse during the four highlighting the importance of older adults staying up to date analysis periods, and for demographic differences between the with recommended COVID-19 vaccination, including at least blood donor population and the overall U.S. population. (cdc.gov)
To determine the conclusive integrity in the Shiraz Cohort Heart Study (SCHS) project, management began quality assurance (QA) and quality control (QC) of the collected data throughout the study end-points. (hindawi.com)
There has been an emphasis on data quality improvement through standardization of research protocols and education of personnel involved in study and data managing systems [ 1 - 3 ]. (hindawi.com)
As a result, verification, validation, investigation, inspection, and audit were strictly applied for minimizing and eradicating all potential sources of type-I, type-II errors, discrepancies of transcription at data entry and data manipulation for analysis to prevent systemic errors which could lead to an incorrect report of data relations, and poor quality data which could decrease the power in the study. (hindawi.com)
All data relevant to the study are included in the article or uploaded as supplementary information. (bmj.com)
Contributors JA and AG-A designed and conceptualised the study, analysed and interpreted the data and drafted the manuscript for intellectual content of the paper. (bmj.com)
Most researchers feel this type of clinical trial produces the best study data. (cancer.net)
The data sets used and/or analysed during the study are available from the corresponding author on reasonable request. (who.int)

Title : A study of infant mortality from linked records : comparison of neonatal mortality from two cohort studies, United States, January-March 1950 and 1960 Personal Author(s) : Chase, Helen C. Corporate Authors(s) : National Center for Health Statistics (U.S.) Published Date : June 1972 Series : Vital and health statistics. (cdc.gov)

These study findings highlight the problem of nondisclosure of ADHD among military applicants. (health.mil)
Findings from this study could inform and improve existing public health recommendations on contaminated Great Lakes fish consumption. (cdc.gov)
The findings from this study have implications for small business leaders as they navigate the impact of the COVID-19 pandemic on the health, safety, and well-being on their organizations and employees. (cdc.gov)
The preliminary findings from our Phase II study are very significant for the SABER-Bupivacaine development program and DURECT in that they are supportive thus far of all our established clinical objectives for this product candidate of safety, a drug delivery duration of 3 days or more, and in comparison to the current standard of care, improved pain relief and reduction in the use of supplemental analgesic medication. (durect.com)
The findings of this study do not indicate that consumption of dietary fiber or fiber rich foods are associated with incident aortic stenosis. (lu.se)

Previous studies suggest that mortality rates could be considerably reduced if clinicians were more aware of the likelihood that PE could develop [ 6 , 7 ]. (biomedcentral.com)

On a population level, our study suggests that the most important strategies to reduce repetition might include primary prevention of suicidal behavior, targeting psychiatric illness, and tackling social factors such as unemployment. (psychiatrist.com)
This type of study also helps researchers to better find and control for such features as age, sex, and other factors that can affect the results of the study. (cancer.net)

However, further research with direct lens examination and a longer follow-up period is needed to assess subtle and late adverse effects beyond 10 y. (nih.gov)
To assess the efficacy of abbreviated, cost-reducing regimens of TC vaccines, in 1987-1989, investigators at the Queen Saovabha Memorial Institute, Bangkok, Thailand, conducted separate concurrent studies of modified postexposure TC vaccine regimens: one study used an abbreviated intramuscular (IM) schedule and the other substituted multisite intradermal (ID) injections for IM injections. (cdc.gov)
A pilot study was conducted to assess whether the use of a purpose-designed lower abdominal binder may facilitate colonoscopy and reduce the need for ancillary maneuvers, ostensibly by reducing loop formation. (sages.org)

The current study will expand on existing follow-up to ascertain the occurrence of select fatal and nonfatal health outcomes and to relate these outcomes with reported Great Lakes fish consumption, recent and long-term. (cdc.gov)
Diagnosis within the surveillance period was associated with improved survival outcomes. (ascopost.com)

Initial study results will be[needs update] published in 5 years. (wikipedia.org)
Results 199 (68%) athletes reported an injury during the study period. (bmj.com)
Results - Over a 10-year period, there were 348 new users of irreversible MAOIs. (ices.on.ca)
Instead they study the results of interventions already in place. (cancer.net)
Randomization lowers the chance that what they or the researchers assume or prefer will change the study results. (cancer.net)
Results Forty-five studies met the inclusion criteria (20 case-control, 25 cohort/nested case-control), which reduced to 37 when overlapping study populations were removed. (bmj.com)
This report summarizes results of the two studies. (cdc.gov)
They variously descried the study and results as "robust," "compelling," "well conducted," "clear and consistent," and "clinically meaningful. (medscape.com)
Results: During a mean follow-up period of 13.2 years, 179 incident cases of CD and 431 incident cases of UC were identified. (lu.se)
Results: 37 studies were analyzed. (bvsalud.org)
Results: A total of 801 pregnant women were enrolled at the booking visit and followed-up during their antenatal period. (bvsalud.org)

The UK study will follow the health of approximately 90,000-100,000 volunteer mobile phone users (18+ years of age for 20-30 years). (wikipedia.org)
The long term intention of the study is to follow participant's health status for at least 20 years. (wikipedia.org)
The median follow-up period was 10 years. (bmj.com)
Questionnaire items focus on information pertaining to the frequency (in years) of harvesting and eating fish from waters in the Great Lakes Basin, the specific species and size of fish harvested and consumed, and how the fish was prepared and cooked, both in the 12 months preceding completion of the questionnaire and historically across the period 1955-1991. (cdc.gov)
During the first 7 years of the study period, compliance was highest among Air Force personnel. (health.mil)
Parents (N = 480) of children aged 3 to 13 years were recruited at the markets to participate in a 5-month cohort study. (cdc.gov)
The study is expected to last for at least 10 years. (neurodegenerationresearch.eu)
In addition to a placebo-controlled period and safety follow-up, the study has an ongoing extension phase of up to 4 years. (medscape.com)

Age-Period-Cohort Study of Breast Cancer Mortality in Brazil in State Capitals and in Non-Capital Municipalities from 1980 to 2019. (bvsalud.org)
Matériels et méthodes : Nous avons réalisé une étude cas-témoins au centre de santé de Référence de Bougouni en 2019. (bvsalud.org)

However, in these studies, women are not recruited prior to pregnancy, samples are not representative and studies are underpowered. (cambridge.org)
Seventy-six women were pregnant at follow-up assessments, 188 became mothers between study waves and 542 remained nulliparous. (cambridge.org)
This study analyzed the effects of age, period and birth cohort on the breast cancer mortality rate for Brazilian women , comparing state capitals and non- capital municipalities. (bvsalud.org)
Compliance with contemporary cervical cancer screening recommendations was determined among service women enrolled in the Millennium Cohort Study during 2003-2015. (health.mil)
Overall, among U.S. service women in the Millennium Cohort Study, the compliance rate increased from 61.2% in 2003 to a peak of 83.1% in 2010 then declined to a low of 59.8% in 2015 (Figure) . (health.mil)
Women prisoners' experiences of primary care in prison: a qualitative study. (smw.ch)
This cohort study assessed the performance of several biomarkers, including glycosylated fibronectin (GlyFn), to rule-in or rule-out preeclampsia within 4 weeks in a cohort of women at increased risk for preeclampsia. (biomedcentral.com)

Period effect is similar in all regions in the form of a marked increase in the rate ratio (RR) in non- capital municipalities by period than in state capitals. (bvsalud.org)
The RR for the other municipalities, however, showed a progressive increase in the cohorts for all regions. (bvsalud.org)

The RR of birth cohorts in the state capitals remained stable (north, northeast and central-west regions) or decreased followed by an increase in the most recent cohorts ( Brazil as a whole and the southeast and south regions). (bvsalud.org)

Our team at Peking Union Medical College Hospital (PUMCH) established an IgG4-RD cohort in 2011. (nature.com)

SCHS involved 10,000 males and females aged 40-70 over a 10-year follow-up period with cardiovascular diseases (CVDs) in the city of Shiraz, Iran. (hindawi.com)

With the advances in neuroimaging and endovascular devices, several recent studies corroborated comparable effectiveness and better prognosis when using endovascular treatment as compared to microsurgical clipping ( 5 , 6 ) for ruptured tiny intracranial aneurysms. (frontiersin.org)

There are not many found in the literature in the framework of nonclinical trial studies, even though some study detailed approaches [ 4 , 11 , 12 ] and general QA and QC guidelines have been addressed [ 13 - 15 ]. (hindawi.com)
Very little is known from literature with regards to the progression of anaemia during the antenatal period of pregnancy. (bvsalud.org)

Overall, quality of the included studies was high (median 8 out of 9 NOS points). (medrxiv.org)

From February 2012 the UK study changes its eligibility criteria so that invitations were no longer mandatory to participate. (wikipedia.org)
Researchers may create specific rules, called eligibility criteria , when they ask people to join an experimental study. (cancer.net)

The Millennium Cohort Study is a prospective study that was initiated in 2001 and includes over 200,000 current and prior U.S. military service members. (health.mil)

Indeed, in their study of alcohol consumption patterns in the countries participating in the European Prospective Investigation into Cancer (EPIC), Sieri et al 2 found the highest total alcohol consumption in one of the Spanish centres (San Sebastian, 41.4 g/day). (bmj.com)
As reported in the Journal of Clinical Oncology by Dbouk et al, in the multicenter Cancer of Pancreas Screening-5 (CAPS5) study and in the total CAPS cohort (CAPS1-5 studies), cases of pancreatic ductal adenocarcinoma among enrolled high-risk individuals that were screen-detected during surveillance were diagnosed at earlier stages vs those diagnosed outside of surveillance. (ascopost.com)
Cancer research studies look for and find better ways to prevent, diagnose, and treat cancer. (cancer.net)
When you are researching information about your or your loved one's cancer, it is important to understand how studies are designed. (cancer.net)
This type of study is used in a laboratory to test whether a change in approach, called an intervention, may be useful to treat a cancer, and whether it appears to be safe. (cancer.net)
These studies are often done in cancer cells either in a petri dish or in an animal like a mouse. (cancer.net)
What are the types of experimental cancer research studies? (cancer.net)

Anatomy1

Organisms2

Diseases44

Chemicals and Drugs5

Analytical, Diagnostic and Therapeutic Techniques and Equipment84

Psychiatry and Psychology22

Phenomena and Processes35

Disciplines and Occupations2

Anthropology, Education, Sociology and Social Phenomena13

Technology, Industry, Agriculture4

Humanities1

Information Science14

Named Groups17

Health Care101

Geographicals37

Retrospective12

Population-based cohort study3

Prospective cohort9

Participants16

Methods6

Observational5

Longitudinal5

Patients20

Incidence7

Objective4

Analyses3

Conclusions4

Disease8

Reduced risk1

Design7

Serum1

Investigate3

Epidemiological studies3

Aims4

Large6

Main1

Clinical trials4

Aimed to assess1

19983

Taiwan1

Randomly1

Humans1

Exposure4

Obstetric2

Data9

Neonatal1

Findings5

Mortality rates1

Factors2

Assess3

Outcomes2

Results11

Years8

20192

Women7

Municipalities2

Brazil1

Hospital1

Follow-up period1

Effectiveness1

Literature2

Median1

Eligibility criteria2

200,0001

Cancer7