RetrospectiveLongitudinalObservational cohort studyEvaluated a prospective cohortMethodsParticipantsEntire cohortCoronary heart dAbstract2020EpidemiologyOutcomes2023PatientsEligibility criteriaMortalityQuestionnaireAutoimmuneAdultsCardiovascular DiseasesSystematic reviewIncidenceProspectivelyConclusionsProspective StudiesCancerBiomarkersDesignFindingsExamineClinical trialsEpidemiologic studiesEpidemiological studiesMedian follow-up periodResultsBirthInvestigateChronicAimsAnalysesYearsDataStatistically significantDiseaseLargeRiskAsthmaInjuryRegressionRarelyTaiwanDescribeAdmissionsHospital
Retrospective5
- We conducted a retrospective cohort study of 301 randomly selected patients with no known diabetes who received care at a large academic general internal medicine practice in New York City. (biomedcentral.com)
- We conducted a retrospective cohort study of patients who were randomly selected from a large outpatient general internal medicine practice affiliated with an academic health center in New York City. (biomedcentral.com)
- In contrast ( Figure 1 ), retrospective or historical cohort studies look at medical events from some timepoint in the past up to the present time. (nature.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)
- We conducted a retrospective, longitudinal study of a nationwide, population-based cohort in Taiwan, using the National Health Institute Research Database (NHIRD). (jrheum.org)
Longitudinal6
- This E.D. TAB is the first report produced using data from the second round of data collection for the Early Childhood Longitudinal Study, Birth Cohort (ECLS-B), a study of a nationally representative sample of children born in the year 2001. (ed.gov)
- The longitudinal nature of cohort studies, however, enables the assessment of causal hypotheses, as it is known if exposure occurred prior to outcome. (nature.com)
- Methods A prospective, longitudinal and multicentre study was carried out in Singapore. (bmj.com)
- Design Prospective longitudinal cohort study. (bmj.com)
- 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)
Observational cohort study2
- EFACTS is a prospective, observational cohort study based on an ongoing and open-ended registry. (curefa.org)
- Methods: In this prospective observational cohort study, we recruited 0 to 60 month ol. (researchgate.net)
Evaluated a prospective cohort1
- Summary: this study evaluated a prospective cohort of at least 2 years of follow-up, evaluating objective results through knee stress radiographs and the subjective result through quality of life questionnaires. (isakos.com)
Methods9
- Methods We tested the score on a commonly used self-rated symptom questionnaire- the Patient Health Questionnaire (PHQ 15) (plus enhanced iterations including an additional 10 items on specific neurological symptoms and an additional 5 items on mental state) for diagnostic sensitivity and specificity against a medical assessment (with 18 months follow-up) in a prospective cohort study of 3781 newly attending patients at neurology clinics in Scotland, UK. (bmj.com)
- Assembling the Career Firefighter Health Study cohort: a methods overview. (cdc.gov)
- Methods: Follow-up process included institutional review board applications, data use agreements, state cancer registry linkages and vital status determination for the NIOSH firefighter cohort. (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)
- Methods and analysis We are conducting a community-based birth cohort study to examine interactions between gut microbiome conditions and enteric infections, and how environmental conditions affect the development of the gut microbiome. (bmj.com)
- METHODS: We have performed a case-control study comparing statin use between patients with, and without, an incident diagnosis of non-dysplastic Barrett's esophagus. (who.int)
- Methods We used a birth cohort of all children born in Scotland since 1997, constructed via linkage between vital statistics, hospital records and SARS-CoV-2 surveillance data. (bmj.com)
- Methods: Four prospective cohort s. (researchgate.net)
- Ecological Momentary Assessment with REDCap: Methods, Feasibility, and User Behaviour in a Parent and Child Study. (childstudy.ca)
Participants14
- Design Monthly data collection for 6 months at 7-year follow-up of participants in a prospective cohort study. (bmj.com)
- The study was limited by loss to follow-up, meaning restricted number of participants for full analysis, but multiple imputation was used to investigate the implications of this. (bmj.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)
- Participants 61 433 women (born between 1914 and 1948) followed-up for a median of 19 years. (bmj.com)
- Participants from the EPIC Spanish cohort were included (15 630 men and 25 808 women). (bmj.com)
- This cohort study aimed to identify the associations of dairy protein intake with the risk of developing a low muscle mass during a 12-year follow-up period, using data from 4412 middle-aged Korean Genome and Epidemiology Study participants with a normal baseline muscle mass. (mdpi.com)
- Over a median follow-up of 8 years, 2,583 participants developed incident MetS. (unboundmedicine.com)
- 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: We recruited a prospective cohort of critically ill children undergoing emergency transport to four paediatric intensive care units (PICUs) in Southeast England between April 2014 and December 2016. (cam.ac.uk)
- Workshop participants discussed the strengths and weaknesses of possible epidemiologic studies. (cdc.gov)
- 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)
- Of 329,164 participants (52.3% females, mean [SD] age = 56.7 [8.0] years), 201 incident HCC cases were recorded during the median follow-up of 12.6 years. (biomedcentral.com)
- To fill these gaps, in the current study, we dissected the correlation between alcohol consumption and the risk of HCC among 329 thousand UK Biobank participants with the full considerations of potential limitations. (biomedcentral.com)
Entire cohort1
- Linear mixed-effect models were used to analyze annual disease progression for the entire cohort and subgroups defined by age of onset and ambulatory abilities. (curefa.org)
Coronary heart d2
- The association between alcohol consumption and coronary heart disease (CHD) has been widely studied. (bmj.com)
- 3 However, three similarly designed UK birth cohort studies 4 - 6 revealed concordant findings: the blood pressure and/or coronary heart disease risk of middle- to older-aged people did not differ between those with and those without a nurse-recorded early life episode of diarrhoea. (bmj.com)
Abstract1
- ABSTRACT A study in Monastir, Tunisia estimated the prevalence of smoking and analysed the determinants of tobacco use among adolescents aged 10-19 years. (who.int)
20201
Epidemiology1
- There are few population-based studies of the epidemiology of SARS-CoV-2 in children not admitted to hospital. (bmj.com)
Outcomes5
- and 2) to assess the short-term outcomes of testing, including the rate of follow-up for abnormal results. (biomedcentral.com)
- Subjects are disease-free at the outset of the study and at distinct points in time, data are collected relating to health outcomes and exposure to risk factors. (nature.com)
- Outcomes included all-cause mortality, hospital admissions, and re-hospitalization for pneumonia over a maximum of 5.4 years of follow-up. (nih.gov)
- Although there have been relatively few studies, a systematic review of sun exposure and pregnancy outcomes found associations with fetal growth restriction, blood pressure, and preterm birth rates ( 7 , 8 ), with higher first trimester sunlight correlating with higher fetal birth weights and less hypertensive complications in the third trimester ( 8 ). (frontiersin.org)
- Wheeze trajectories: Determinants and outcomes in the CHILD Cohort Study. (childstudy.ca)
20231
- REDWOOD CITY, Calif., Sept. 28, 2023 (GLOBE NEWSWIRE) -- Biomea Fusion Inc. ("Biomea") (Nasdaq: BMEA), a clinical-stage biopharmaceutical company dedicated to discovering and developing novel covalent small molecules to treat and improve the lives of patients with genetically defined cancers and metabolic diseases, today announced FDA and Health Canada clearance of the expansion portion of the ongoing COVALENT-111 Phase II study. (biospace.com)
Patients21
- Using medical records, we collected patients' baseline characteristics in 1999 and followed patients through the end of 2002 for all glucose tests ordered. (biomedcentral.com)
- Fewer than half of abnormal glucose values were followed up by the patients' physicians. (biomedcentral.com)
- We randomly sampled from the list of initial visits and reviewed medical records until we found at least 300 patients who met our inclusion criteria: we required that patients have at least 2 additional visits by the end of 2002, and we excluded patients who were younger than 20 years of age, had known diabetes at the initial visit, or were pregnant at any time during the study period. (biomedcentral.com)
- Of 2950 patients who survived the initial CAP hospitalization, 72% were hospitalized again (median, 2 admissions over follow-up) and 16% were re-hospitalized with pneumonia. (nih.gov)
- This suggests that patients with pneumonia, especially those with PSI class IV and V at admission, might need better attention paid to preventive strategies and much closer follow-up due to their elevated risk of subsequent adverse events and increased health resource utilization. (nih.gov)
- The study cohort included adults with dementia (excluding patients with chronic psychotic illnesses) living in long-term care and aged 66 years and older. (cmaj.ca)
- As we learned from our preclinical studies and now with the early clinical data, patients present with various levels of beta cell function, which supports extending the treatment period beyond four weeks in order to maximize the degree and durability of improvement in glycemic control. (biospace.com)
- The Phase II portion, ongoing in Canada and the U.S., consists of multiple ascending dose cohorts (escalation portion) enrolling adult patients with type 2 diabetes uncontrolled by current therapies. (biospace.com)
- During the expansion portion of COVALENT-111, multiple dose level cohorts will enroll adult patients to investigate BMF-219 with treatment durations up to 12 weeks. (biospace.com)
- 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)
- FINDINGS TO DATE: During the study period, 1017 patients were recruited by the regional PICU transport team, and blood and urine samples were obtained at/around first contact with the patient by the transport team. (cam.ac.uk)
- 12). This study was approved by the institutional review board at the DVAMC, and all patients provided written informed consent. (cdc.gov)
- Of these, 552 (92%) patients contributed data with at least one follow-up visit. (curefa.org)
- AIM: The purpose of this study was to examine the association between statin use and the presence of Barrett's esophagus in patients having their first gastroscopy. (who.int)
- 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)
- Each patient with SS was matched to 4 control patients based on age, sex, and index year, and all patients were followed up from the index date to December 31, 2010. (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)
- Seven of the nine patients diagnosed within surveillance remained alive after a median follow-up of 2.6 years. (ascopost.com)
Eligibility criteria2
- Cohort studies may be either fixed, where the study subjects do not vary over time and dropouts are not replaced, or dynamic, where new subjects enter the study in accordance with eligibility criteria. (nature.com)
- From February 2012 the UK study changes its eligibility criteria so that invitations were no longer mandatory to participate. (wikipedia.org)
Mortality4
- or =65 years of age, 53% were male, and according to the PSI fully 63% were predicted to have greater than 18% 30-day pneumonia-related mortality (that is, PSI class IV-V). Median follow-up was 3.8 years. (nih.gov)
- We investigated associations between long term dietary and supplemental intake of calcium with all cause mortality as well as with cardiovascular mortality in a large population based prospective study of Swedish women. (bmj.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)
- The writers used systematic literature reviews, references to published clinical and epidemiological studies, morbidity and mortality reports, clinical and public health guidelines, authoritative statements, personal files, and expert opinion to summarize evidence and to indicate gaps in current knowledge. (cdc.gov)
Questionnaire4
- Cohort questionnaire study of men followed up for six years from 1986. (bmj.com)
- The health professionals follow up study began in 1986 when 51 529 health professionals aged 40 to 75 years completed a 131 item food frequency questionnaire and provided information about medical history, risk factors for heart disease, and dietary changes during the past 10 years. (bmj.com)
- The study benefits from long-term follow-up, prospective design, frequent follow-up during study periods, robust analyses and use of validated questionnaire instruments. (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)
Autoimmune1
- Epidemiological studies have shown that certain autoimmune diseases are associated with VTE 14 , 15 , 16 . (jrheum.org)
Adults3
- Between 2000 and 2002, 3415 adults with CAP admitted to 6 hospitals in Edmonton, Alberta, Canada, were prospectively enrolled in a population-based cohort. (nih.gov)
- Prior depression history and deterioration of physical health in community-dwelling older adults--a prospective cohort study. (ucla.edu)
- This study examined whether prior depression history predicts deterioration of physical health in community-dwelling older adults. (ucla.edu)
Cardiovascular Diseases1
- 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)
Systematic review1
- DNA methylation changes in cord blood and the developmental origins of health and disease - a systematic review and replication study. (childstudy.ca)
Incidence5
- 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)
- We conclude that an increased incidence of malignancy was found in Chinese IgG4-RD cohort. (nature.com)
- The incidence and point prevalence of bronchiectasis increased yearly during the study period. (ersjournals.com)
- BACKGROUND: Use of statins has been associated with a reduced incidence of esophageal adenocarcinoma in population-based studies. (who.int)
- 1. Continue the follow-up studies of existing cohorts, and if possible, combine the data from these studies, include noncancer endpoints in the follow-up studies, and evaluate the results of the follow-up studies before considering an additional cancer incidence study of persons who received NP radium treatments. (cdc.gov)
Prospectively1
- A birth cohort design allows us to examine prospectively how environmental factors impact the gut microbiome over the critical first 2 years of life. (bmj.com)
Conclusions3
- Conclusions Most people with back pain appear to follow a particular pain trajectory over long time periods, and do not have frequently recurring or widely fluctuating patterns. (bmj.com)
- If loss to follow-up is ignored, the reliability of study conclusions may be called into question. (nature.com)
- 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)
Prospective Studies3
- Prospective studies, those studies carried out from the present time into the future, can be tailored to collect specific exposure data, but there may be a long wait for events to occur, particularly where the outcome of interest is associated with old age. (nature.com)
- This notion had been supported by prospective studies on collegiate track and field athletes 18 and Australian rules footballers. (bmj.com)
- No prospective studies have evaluated the associations between different types of plant-based diets and incident metabolic syndrome (MetS) and components of MetS. (unboundmedicine.com)
Cancer9
- 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)
- 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)
- Here, we document the challenges in establishing this non-WTC-exposed firefighter cohort for the goal of tracking and comparing cancer and chronic health conditions in WTC-exposed and non-WTC-exposed firefighters. (cdc.gov)
- The objective of this study was to examine the association between calcium intake and prostate cancer risk. (cdc.gov)
- The study consisted of 108 biopsy-positive prostate cancer cases, 161 biopsy-negative controls, and 237 healthy controls. (cdc.gov)
- Nearly all of these studies were performed in populations made up predominantly of white men, even though associations between modifiable risk factors such as calcium intake and prostate cancer risk may differ by race. (cdc.gov)
- The objective of this study was to examine the relationship between calcium intake and prostate cancer risk and determine whether this association is different for blacks and whites or for low-grade and high-grade disease. (cdc.gov)
- We used data from an ongoing case-control study of veterans screened for prostate cancer at the Durham Veterans Affairs Medical Center (DVAMC) in Durham, North Carolina. (cdc.gov)
- 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)
Biomarkers3
- In the study , the Barrier Dysfunction in Atopic Newborns Study (BABY), several biomarkers were found in the skin cells of newborns that were predictive not only for having AD but also for having more severe disease. (medscape.com)
- Cohort profile of the Biomarkers of Acute Serious Illness in Children (BASIC) study: a prospective multicentre cohort study in critically ill children. (cam.ac.uk)
- The Biomarkers of Acute Serious Illness in Children study aims to identify genetic and biological pathways underlying the development of critical illness in infections and organ failure and those leading to poor outcome (death or severe disability) in children requiring emergency intensive care. (cam.ac.uk)
Design5
- Previously in this series I have given an overview of the main types of study design and the techniques used to minimise biased results. (nature.com)
- Studies can therefore be expensive to carry out and are prone to high dropout rates, although these can be overcome by incorporating a dynamic study design. (nature.com)
- Prospective cohort study design is more commonly used because accurate and complete data, necessary for historical cohort studies, are rarely available. (nature.com)
- To infer causality with any degree of certainty, an experimental study design is required. (nature.com)
- Aside from the variations in study design, interactions between modifiable and non-modifiable risk factors contribute to the discrepancies. (bmj.com)
Findings3
- It might be possible to develop a simple test to identify newborn children who are at risk of later developing atopic dermatitis (AD), according to findings from a Danish prospective birth cohort study. (medscape.com)
- These findings were in line with findings of other studies, Halling said. (medscape.com)
- 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)
Examine1
- This type of study is observational and used to examine causal factors. (nature.com)
Clinical trials1
- A substantial literature on QA and QC has appeared in the framework of cohort studies and clinical trials. (hindawi.com)
Epidemiologic studies2
- Some epidemiologic studies provide evidence of a positive association (1-5), while others report no association (6-8). (cdc.gov)
- Although studies of persons who self-report exposure to the treatment are useful in generating hypotheses, such self-reporting should not be the means of identifying formal 'case-subjects' in epidemiologic studies. (cdc.gov)
Epidemiological studies1
- Moreover, QA and QC tools were developed for the planning, execution, and effective analysis of epidemiological studies [ 4 ]. (hindawi.com)
Median follow-up period1
- The median follow-up period was 10 years. (bmj.com)
Results9
- Results Four clusters with different back pain trajectories at follow-up were identified: (1) no or occasional pain, (2) persistent mild pain, (3) fluctuating pain and (4) persistent severe pain. (bmj.com)
- The results are limited by lack of information about the time between data collection periods and by loss to follow-up. (bmj.com)
- Our objectives were to measure the rate, the predictors and the results of glucose testing in primary care, including rates of follow-up for abnormal values. (biomedcentral.com)
- We look forward to reporting results from this study in the coming year. (biospace.com)
- Initial study results will be[needs update] published in 5 years. (wikipedia.org)
- The results of the study will be published following independent review but no individually identifying data will ever be published. (wikipedia.org)
- 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)
- Similar results were observed when those who developed depressive episodes during follow-up were excluded. (ucla.edu)
- We performed a meta-analysis pooling our results with three other case-control studies. (who.int)
Birth6
- Following cohorts from birth may overcome healthy entrant effects of this sort, but may result in a lengthy and costly study, depending on the average age at onset of disease. (nature.com)
- The study enrolled 450 children at birth and followed them until age 2 years. (medscape.com)
- In the 1982 Pelotas birth cohort study (Brazil), parents/carers reported hospital admissions for diarrhoea in the first 12 and 20 months of study members' lives. (bmj.com)
- The 1982 Pelotas birth cohort study has been described in detail elsewhere. (bmj.com)
- Gestational age at birth and body size from infancy through adolescence: An individual participant data meta-analysis on 253,810 singletons in 16 birth cohort studies. (childstudy.ca)
- Association of use of cleaning products with respiratory health in a Canadian birth cohort. (childstudy.ca)
Investigate1
- The study will[needs update] investigate the possible health effects of long-term use of mobile phones and other wireless technologies. (wikipedia.org)
Chronic2
- Analyses were based on a community-based cohort of 5,646 men and women (40-69 years of age at baseline) living in Ansan and Ansung, South Korea (2001-2016) without MetS and related chronic diseases at baseline. (unboundmedicine.com)
- Studies examining COVID-19 vaccine effectiveness among children with chronic conditions and whether maternal vaccine during pregnancy prevents COVID-19 admissions in infants are urgently needed. (bmj.com)
Aims1
- 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)
Analyses1
- In addition, 115 families have completed 12-month validated follow-up questionnaires to assess quality of life and child behaviour.The first phase of sample analyses (transcriptomic profiling) is currently in progress. (cam.ac.uk)
Years6
- In this prospective cohort study, 416,175 individuals (199,265 men and 216,910 women) participated in a standard medical screening programme in Taiwan between 1996 and 2008, with an average follow-up of 8·05 years (SD 4·21). (nih.gov)
- Only one patient had mobility limitation at the end of 2 years of follow-up and no patient had a inflamatory reaction due to the presence of the tape inside the joint. (isakos.com)
- 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)
- We will follow 360 newborns from 3 sites along a rural-urban gradient in northern coastal Ecuador, characterising enteric infections and gut microbial communities in the children every 3 to 6 months over their first 2 years of life. (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)
Data14
- Analysis of data must include a comparison of risk factors between individuals who remain in the study and those who have dropped out. (nature.com)
- Analysis of cohort study data takes one of two forms. (nature.com)
- 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)
- We performed a population-based data-linkage study of 556,376 singleton births (in 397,370 mothers) at or after 24 weeks gestation, in Scotland between 2000 and 2010. (frontiersin.org)
- 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)
- Limitations of the study may include potential measurement error in self-reported dietary intake, inability to classify a few plant foods as healthy and less-healthy, lack of data on vegetable oil intake, and possibility of residual confounding. (unboundmedicine.com)
- The Information Commissioner has advised that this research study complies fully with the requirements of the Data Protection Act 1998. (wikipedia.org)
- The data collected will have an important impact on studies of WTC rescue/recovery work , firefighting, and related health conditions. (cdc.gov)
- 1 Further, in a study that utilised climate data as an instrumental variable for infant dehydration, infants who were exposed to conditions that were more likely to precipitate episodes of diarrhoea (summers with higher temperature and lower rainfall) had increased levels of systolic blood pressure in older age. (bmj.com)
- Several of these studies are characterised by a low number of cases of dehydration or diarrhoea, which hampers data interpretation. (bmj.com)
- We used data from a case-control study conducted among veterans between 2007 and 2010 at the Durham Veterans Affairs Medical Center. (cdc.gov)
- Data from baseline to 4-year follow-up were included in the current analysis. (curefa.org)
Statistically significant1
- A cohort study in the Netherlands of 2510 exposed and 2199 unexposed persons did not document a statistically significant increase in head and neck cancers in the exposed group (2). (cdc.gov)
Disease4
- The 'healthy entrant effect' occurs because of the necessity of a disease-free status on entry to the study. (nature.com)
- in this paper we will use the term 'symptoms unexplained by disease (SUD)' as it maps most closely to the methodology used in our study. (bmj.com)
- Prior studies have shown that plant-based diets are associated with lower risk of cardiovascular risk factors and incident cardiovascular disease, but risks differed by quality of plant-based diets. (unboundmedicine.com)
- Studies have demonstrated that atrial fibrillation and cerebrovascular disease (CVA) are risk factors of VTE 4 , 5 , 6 . (jrheum.org)
Large5
- 11 12 We therefore examined the association between dietary fat and cholesterol and risk of myocardial infarction in a large cohort of men in the United States. (bmj.com)
- This study is based on a large prospective cohort study and is free of the abstainer error. (bmj.com)
- 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)
- 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)
- We assessed correlations between average urinary melatonin and plasma steroid hormone levels and evaluated potential associations between night work and hormone levels, using current and long-term shift work information from two large, prospective cohorts, the Nurses' Health Study cohorts. (aacrjournals.org)
Risk6
- Although screening for diabetes appears to be common and informed by diabetes risk factors, abnormal values are frequently not followed up. (biomedcentral.com)
- Much like a cross-sectional study, information is collected about the outcome of interest and exposure to risk factors, but in cohort studies subjects are followed over time. (nature.com)
- A greater concern than number of dropouts are any systematic differences related to the outcome or exposure to risk factors, between those who drop out and those who stay in the study. (nature.com)
- Most of these studies have concluded that moderate alcohol intake reduces the risk of CHD. (bmj.com)
- However, one study from Japan reported no significant increase in the risk of malignancy 8 . (nature.com)
- In this study, we observed that greater adherence to diets consisting of a high intake of refined carbohydrates, sugars, and salty foods in the framework of plant-based diets was associated with an elevated risk of MetS. (unboundmedicine.com)
Asthma1
- Association between gas stove use and childhood asthma in the Canadian CHILD Cohort Study. (childstudy.ca)
Injury1
- Earlier cross-sectional studies had indicated that a greater than 10% bilateral deficit in isometric hamstring strength was a predictor of hamstring injury. (bmj.com)
Regression1
- We calculated the hazard ratios (HR) and 95% CI of DVT and PE in the SS and comparison cohorts by using Cox proportional hazards regression models. (jrheum.org)
Rarely1
- Additionally, genetic factors that are closely linked to liver diseases may modify the association between alcohol use and liver diseases but were rarely considered in previous studies [ 12 ]. (biomedcentral.com)
Taiwan1
- We evaluated the effect of SS on the incidences of DVT and PE in a nationwide, population-based cohort in Taiwan. (jrheum.org)
Describe1
- In this article I describe more fully cohort studies, their uses, advantages and limitations. (nature.com)
Admissions1
- Background There have been no population-based studies of SARS-CoV-2 testing, PCR-confirmed infections and COVID-19-related hospital admissions across the full paediatric age range. (bmj.com)
Hospital2
- Our team at Peking Union Medical College Hospital (PUMCH) established an IgG4-RD cohort in 2011. (nature.com)
- Objectives: This study aimed to understand the context surrounding out-of-hospital deaths and the barriers to accessing timely care for Ugandan child. (researchgate.net)