Full epidemiological studies. Medical search. Frequent questions

The epidemiological characteristics included person, time and place variables, and the outcomes of the suicide attempts. (biomedcentral.com)
Self-harm and suicide are common in prisoners, yet robust information on the full extent and characteristics of people at risk of self-harm is scant. (suicideinfo.ca)
The present work aims to bring out the epidemiological characteristics of liver cancer in Niger, especially as no previous studies have worked on the national epidemiology of cancer in Niger. (academicjournals.org)
We aimed to further clarify the epidemiological and clinical characteristics of 2019-nCoV pneumonia. (netecweb.org)

Methods We prospectively collected epidemiological data on medical staff members who are working in neurosurgery departments in 107 hospitals in Hubei province through self-reported questionnaires or telephone interviews. (medrxiv.org)
The aim of this study was to investigate the epidemiological factors involved in the selection and use of different physical methods for suicide over a long-term period in Ilam province, Iran. (biomedcentral.com)
Previous studies on detection of Trypanosoma species in Somali camels have only been performed during the 1990s using standard trypanosome detection methods (STDM). (researchgate.net)
Methods: Assessment of each subject involved completing a HSD, a heath assessment and electrodiagnostic studies (EDSs). (cdc.gov)
Methods for Estimation of Radiation Risk in Epidemiological Studies Accounting for Classical and Berkson Errors in Doses" The International Journal of Biostatistics , vol. 7, no. 1, 2011, pp. 0000102202155746791281. (degruyter.com)
A meta-analysis of 22 studies of bacterial contamination rate estimates for apheresis (AP), platelet-rich plasma (PRP), and buffy coat (BC) collection methods found an overall mean contamination rate of 0.51 per 1000 components (95% confidence index [CI], 0.38-0.67). (medscape.com)
MATERIAL AND METHODS: Multicenter, cross-sectional study. (bvsalud.org)
METHODS: Using Latin-American Collaborative Study of Congenital Malformations (ECLAMC) database and records review, a retrospective cross-sectional study was performed, including all patients born with omphalocele between January 1st, 2016, and December 31st, 2019. (bvsalud.org)

The objectives of this study were to determine caries prevalence and experience, the status (active/arrested) of existing caries lesions and associations between dental caries and potential risk factors, among primary school children in the Aileu municipality, Timor-Leste. (rrh.org.au)
Considering the lack of state-of-the-art knowledge on camel trypanosomiasis in Somalia, the present study aimed to assess the prevalence of Trypanosoma spp. (researchgate.net)
Dominant hand prevalence of a positive HSD and delayed nerve conduction studies in this working population was 9.2 per 100 workers. (cdc.gov)
The positive predictive value of a HSD, with our study prevalence, was 0.48. (cdc.gov)
Self-harm in prisons in England and Wales: An epidemiological study of prevalence, risk factors, clustering, and subsequent suicide. (suicideinfo.ca)

Since the relationship between benign ovarian tumors and ovarian cancer risk remains unclear, this systematic review and meta-analysis aimed to assess the association based on the most recent epidemiological evidence. (frontiersin.org)
Because this was a study-level systematic review and meta-analysis of observational studies and did not involve the collection and analysis of any individual-level data, ethical approval was not sought for this study. (frontiersin.org)

40 with consideration of epidemiological and demographic changes [10, 14]. (who.int)
48 with aging populations because of a failure to adequately consider the demographic and 49 epidemiological profiles [7, 14]. (who.int)
Cases were confirmed by real-time RT-PCR and were analysed for epidemiological, demographic, clinical, and radiological features and laboratory data. (netecweb.org)

There was no statistically significant association with random sequence generation, allocation concealment, blinding of outcome assessors, incomplete outcome data, whether trials were stopped early, study funding, type of interventions or with type of outcomes (objective vs subjective). (bmj.com)
In this study, we present a quantitative analysis of how the choice of model trajectories and temporal resolution (continuous versus discrete-event models), coupling between agents (instantaneous versus delayed interactions), and progress of patients from one stage of disease to the other affect the overall outcomes of modeling disease spread. (scs.org)
BACKGROUND: The objective of this paper is to describe the clinical and epidemiological profile and the early outcomes of patients with omphalocele born in a fetal medicine, pediatric surgery, and genetics reference hospital in Rio de Janeiro - Brazil. (bvsalud.org)

4 Here, we review epidemiological studies to assess the effects of school closures on transmission and incidence of seasonal and pandemic influenza, updating and extending previous reviews 2 , 4 to include data from the 2009 pandemic. (bmj.com)
Aim: To assess the validity of HSDs in a working population of manufacturing and service workers participating in a prospective study of musculoskeletal disorders. (cdc.gov)

The Korean Genome and Epidemiology Study (KoGES) is a large cohort study that is available to the public. (mdpi.com)

In this updated evaluation, the Working Group chose the name "night shift work" to better describe the exposure circumstances and to reflect the main evidence base for the studies of cancer in humans. (who.int)
No epidemiological studies on cancer in humans were available for any of these agents. (who.int)

The optimum timing and duration of closure are unclear because studies often differed in several respects, or used other interventions in addition to school closure. (bmj.com)
When meta-analyses of behavioral interventions include a substantial proportion of both pilot/feasibility and N ≤ 100 studies, summary ES can be affected markedly and should be interpreted with caution. (biomedcentral.com)

Pilot/feasibility or studies with small sample sizes may be associated with inflated effects. (biomedcentral.com)
This study explores the vibration of effect sizes (VoE) in meta-analyses when considering different inclusion criteria based upon sample size or pilot/feasibility status. (biomedcentral.com)
Three case studies are presented to illustrate the impact of including pilot/feasibility and N ≤ 100 studies on the estimated summary ES. (biomedcentral.com)
Pilot/feasibility and N ≤ 100 studies comprised 22% (0-58%) and 21% (0-83%) of studies included in the meta-analyses. (biomedcentral.com)

Formal epidemiological studies can increase scientific knowledge about the quantitative risk that attends exposure. (chernobyldatabase.com)
Risks of human health due to radiation exposure are most appropriately estimated by means of formal epidemiological studies. (chernobyldatabase.com)
no. 106) 1.Phosgene - toxicity 2.Environmental exposure 3.Guidelines I.International Programme on Chemical Safety II.Series ISBN 92 4 15106 0 (NLM Classification: QV 664) ISSN 0259-7268 The World Health Organization welcomes requests for permission to reproduce or translate its publications, in part or in full. (inchem.org)

Therefore, the objective of this study was to evaluate the detection bias in oncological open-label trials by confirming whether local investigators overestimate the PFS and ORR compared with the findings of central reviewers. (bmj.com)
Eligibility criteria for selecting studies Open-label, parallel-group superiority, randomised trials of anticancer drugs that adjudicated PFS or ORR by both central reviewers and local investigators. (bmj.com)

By means of Parametric Full Maximum Likelihood and Regression Calibration (under the assumption that the data set of true doses has lognormal distribution), Nonparametric Full Maximum Likelihood, Nonparametric Regression Calibration, and by properly tuned SIMEX method we study the influence of measurement errors in thyroid dose on the estimates of λ0 and EAR. (degruyter.com)
If the need is for a monitoring study, then general information about doses will suffice. (chernobyldatabase.com)
The examples used in this paper are relevant to the Chernobyl accident, which caused a large number of people to be exposed at relatively high doses and provided an opportunity for formal epidemiological studies to be initiated. (chernobyldatabase.com)

Two large cohort studies based on the Danish Cancer Register indicated that benign ovarian tumors may be associated with a long-term increased risk of both mucinous and borderline ovarian cancers ( 7 , 8 ). (frontiersin.org)
Epidemiological studies suggest associations between diabetes mellitus and some cancers. (frontiersin.org)
A five-country study of cancers in patients with T1DM has reported that T1DM was correlated with the risk of several common cancers. (frontiersin.org)
Previous cohort studies also reported an overall increased standardized mortality ratio for cancers among patients with T1DM compared with the general population ( 14 ). (frontiersin.org)
Some early studies found no significant associations between T1DM and a range of site-specific cancers ( 15 ). (frontiersin.org)
A study of survival cancers are treated at the breast health centre in Algiers. (who.int)

Study selection Studies were included if they reported on a seasonal or pandemic influenza outbreak coinciding with a planned or unplanned school closure. (bmj.com)
We conducted a prospective study using sentinel-based influenza surveillance to detect RSV by real time PCR in patients with acute respiratory infections, enrolled during two seasons (2014/15, 2015/16). (who.int)

Previous large cohort studies conducted in the UK suggested that neither the risk of urinary bladder cancer nor mortality from urinary bladder cancer was increased in patients with T1DM or T2DM ( 11 , 16 ). (frontiersin.org)

of heart Failure Treatment study. (qxmd.com)

In this retrospective, single-centre study, we included all confirmed cases of 2019-nCoV in Wuhan Jinyintan Hospital from Jan 1 to Jan 20, 2020. (netecweb.org)

Conclusion The handling of subsequent sports injuries is a substantial challenge for the sports medicine field-both in terms of injury treatment and in epidemiological research to quantify them. (bmj.com)
Realize the full power of the drug-disease research network! (curehunter.com)
4/1/2015 - More than 200,000 Australians -- smokers and non-smokers -- took part in a research study which ultimately revealed that death from cigarette use is much higher than doctors previously estimated. (naturalnews.com)
To read the full-text of this research, you can request a copy directly from the authors. (researchgate.net)
A retrospective longitudinal study was conducted using Taiwan National Health Insurance Research Database collected during 1997-2005. (qxmd.com)
3. Epidemiological research . (pfli.org)

Conclusion The meta-epidemiological study did not demonstrate a clear pattern of association between risk of bias indicators and treatment effects in RCTs in chronic medical conditions. (bmj.com)
In conclusion, this is a hypothesis generating study that is the first of its kind to identify plasma proteins and proteomic signatures that are associated with added sugar and SSB intake. (lu.se)
In conclusion, many previous studies have discussed how intake of added sugar and sweetened beverages may increase cardiometabolic risk and our study can only find very modest support for that such risk could be partially acting through mechanisms involving the gut microbiota. (lu.se)

This study revealed that self-immolation was the most selected physical method of suicide and had the highest incidence rate, and inflicted the survivors with severe physical and mental complications. (biomedcentral.com)
Nationwide epidemiological study of severe gallstone disease in Taiwan. (qxmd.com)
This population-based study found a substantial increase in the rate of admission for severe gallstone disease among those aged 20-39. (qxmd.com)

Objectives To evaluate the association of study design features and treatment effects in randomised controlled trials (RCTs) evaluating therapies for individuals with chronic medical conditions. (bmj.com)

A total of 1602 effect sizes, representing 145 reported summary ES, were extracted from 48 meta-analyses containing 603 unique studies (avg. 22 studies per meta-analysis, range 2-108) and included 227,217 participants. (biomedcentral.com)
Reanalysis of the three case study meta-analyses resulted in the re-estimated ES rendered either non-significant or half of the originally reported ES. (biomedcentral.com)

What is desirable and feasible in dose reconstruction for application in epidemiological studies? (chernobyldatabase.com)
Combination of full tumor resection and reconstruction was the best approach observed in this study. (bvsalud.org)

This is a retrospective study in the period 1992 to 2006. (academicjournals.org)
A retrospective study of patients diagnosed with ameloblastoma at the Erasto Gaertner Hospital between the years 1972-2012 was performed. (bvsalud.org)

Which surely is interesting since this has been very scarcely studied in humans until now. (lu.se)

Nous avons réalisé une étude prospective en recourant à la surveillance de la grippe basée sur des sites sentinelles dans le but de dépister le VRS grâce à la PCR en temps réel chez des patients souffrant d'infections respiratoires aiguës recrutés au cours de deux saisons (2014-2015 et 2015-2016). (who.int)

Participants had also performed a 4-day food record and a short food frequency questionnaire so we could study their intake of added sugar, sugar-sweetened beverages and artificially sweetened beverages. (lu.se)

A new article was recently published in the European Journal of Nutrition entitled Gut microbiota composition in relation to intake of added sugar, sugar-sweetened beverages and artificially sweetened beverages in the Malmö Offspring Study . (lu.se)

6/7/2014 - Vitamin C supplements may offset some of the damage done to the lung function of babies born to women who smoke while pregnant, according to a study conducted by researchers from the Oregon Health & Science University, Portland, and published in the journal JAMA. (naturalnews.com)

Implementation of mental health services recommendations in England and Wales and suicide rates, 1997-2006: A cross-sectional and before-and-after observational study. (suicideinfo.ca)

Case-control study based on a secondary analysis of quantitative data collected from a cluster randomized trial carried out in two slums of Nairobi. (biomedcentral.com)
However, a formal study that is expected to contribute to scientific information about quantitative radiation risk requires careful individual dose estimation. (chernobyldatabase.com)

The study, published Nov. 4 in the journal Science, was conducted by researchers from several institutions who analyzed more than 5,000 tumors from both smokers. (naturalnews.com)
The long awaited UK Draper study has finally been published in the British Medical Journal, confirming, yet again, the connection between environmental level powerline magnetic fields and childhood leukaemia. (emfacts.com)

The PubMed and Web of Knowledge databases were searched for eligible studies published up to April 30, 2020. (frontiersin.org)

Background Longitudinal studies of patterns of healthcare contacts in those who die by suicide to identify those at risk are scarce. (suicideinfo.ca)

Due to the high heterogeneity among the studies and the risks of bias, more studies are warranted to confirm these findings. (frontiersin.org)
Several studies generated inconsistent findings. (frontiersin.org)

While numerous epidemiological studies have investigated the association between benign ovarian tumors and ovarian cancer risk, the results have been inconsistent ( 5 - 14 ). (frontiersin.org)
However, other studies did not observe a statistically significant association. (frontiersin.org)
Similarly, some studies found no significant association between the risk of breast cancer and T1DM in women ( 11 , 17 ). (frontiersin.org)
An additional medical group, the Association of American Physicians and Surgeons, has called for "full disclosure" of a "highly plausible" relationship between abortion and the disease. (pfli.org)
At the moment, the studies we've done in 2 million people through the Zoe Covid Symptom Study app are basically looking at general patterns of association. (rt.com)
So we're looking at epidemiological association. (rt.com)
5 Population based studies of ultrasonographically defined carotid atheroma also suggest an association with CMV seropositivity. (bmj.com)
We could not find any significant linear association between added sugar intake and CRP, and neither could we replicate a significant association between SSB intake and CRP which many previous studies have seen, although a tendency for such an association could be observed ( p -trend = 0.09). (lu.se)

Analysis of long limb radiographs from the multicenter osteoarthritis (MOST) study. (termedia.pl)

Calache H, Christian B, Mamerto M, Kangutkar T, Hall M. An epidemiological study of dental caries and associated risk factors among primary school children in the Aileu Municipality, Timor-Leste. (rrh.org.au)
This study investigated the caries status and potential risk factors among primary school children in the rural Aileu municipality of Timor-Leste. (rrh.org.au)
Although no definitive guidelines exist for the types of studies required for evidence-based decision-making, in the behavioral sciences, where intervention delivery and impact can be influenced by a myriad of factors, an important consideration is whether a recommendation is based upon trials that are representative of anticipated conditions, and subsequently, exhibit effects more consistent with what is expected under real-world delivery conditions [ 4 ]. (biomedcentral.com)
And we also know that many of the risk factors for having a poor gut microbiome like being overweight, having diabetes, being generally socially deprived are also risk factors, and our latest study which we haven't published yet is suggesting that poor diet is a very major risk factor as well. (rt.com)
We conducted a hospital-based matched case control study to identify risk factors associated with LBW in a rural district of Pakistan. (who.int)
Our study identifies modifiable risk factors requiring immediate commitment from the health authorities. (who.int)

Design Meta-epidemiological study. (bmj.com)
Design Case-control study. (emfacts.com)
Study design and site lence of LBW is estimated to be 16% and transcribed onto the data collection worldwide, 19% in the least developed This study was a retrospective, hospital- form. (who.int)

Results We retrieved 1197 records of oncological open-label trials after full-text screening. (bmj.com)

In this study, we aimed at examining how added sugar and sugar-sweetened beverage intake associate with 136 measured plasma proteins and C-reactive protein in the Malmö Diet and Cancer-Cardiovascular Cohort ( n = 4382), and examine if the identified added sugar- and SSB-associated proteins associate with T2D incidence. (lu.se)

There is limited epidemiological evidence relating CMV specifically to primary coronary atheroma in immunocompetent individuals. (bmj.com)

Results: A total of 733 subjects (65% of those eligible) participated in the study and 720 underwent EDSs. (cdc.gov)

The present study was conducted retrospectively between 1993 and 2013 using recorded data from a comprehensive system for registration of suicide attempts in Ilam University of Medical Sciences. (biomedcentral.com)

The full scientific assessment will be published as Volume 124 of the IARC Monographs . (who.int)

A lack of quality epidemiological data is available to confirm anecdotal information of high caries rates in rural and remote Timor-Leste. (rrh.org.au)
Nous avons conduit une étude cas-témoins appariés en hôpital afin d'identifier les facteurs de risque associés à l'insuffisance pondérale à la naissance dans un district rural du Pakistan. (who.int)

Ten articles (two cohorts, seven case-control studies, and one pooled analysis of eight case-control studies) with 10331 ovarian cancer patients were included. (frontiersin.org)
All patients in the study were hospitalized on our unit coronavirus (SARS-CoV) has been implicated as the with a confirmed diagnosis of SARS. (cdc.gov)
Creatine kinase is a muscle enzyme that has been reported at various levels in different studies involving patients with amyotrophic lateral sclerosis. (lww.com)
In the present retrospective case-control study, we included 582 patients with amyotrophic lateral sclerosis and 582 age- and sex-matched healthy controls. (lww.com)
Middle East Respiratory Syndrome-Coronavirus (MERS-CoV): a case-control study of hospitalized patients. (cdc.gov)
In addition, cohort studies undertaken in the UK ( 11 , 18 ) and the USA ( 19 ) reported that no significantly increased all-cause cancer mortality was found in patients with T1DM when compared to the general population. (frontiersin.org)
Recently, an esophageal manometric study was conducted in asymptomatic esophageal diabetic patients that showed the following abnormalities: Diminution of resting LES pressure and amplitude of contraction of the lower segment of the esophageal body, increase of tertiary and segmental contractions and frequent double peak and multi peak contractions[ 3 ]. (wjgnet.com)
La proportion d'infections positives au VRS était plus élevée chez les patients hospitalisés pour une infection respiratoire aiguë que chez les patients en consultation externe souffrant de légers symptômes. (who.int)
A total of 40 patients were selected for the study. (bvsalud.org)
Patients with inguinal hernia were included in the study group (IH) and those with benign proctologic complaints created the control group (CG). (bvsalud.org)
RESULTS: A total of 528 consecutive patients were included in the study (292 IH / 236 CG). (bvsalud.org)
The aim of this study was to analyze umbilical hernia occurrences in patients who underwent laparoscopic or laparoendoscopic single-sight (LESS) cholecystectomy. (bvsalud.org)
A large of registered cancer cases of breast, colon, rectum, large bowel, new Cancer Centre is now being implemented in Sétif, and is and prostate during 1990-1994 has been carried out within the expected to provide care for all cancer patients from the area of CONCORD Survival study. (who.int)

Access to this full-text is provided by Springer Nature. (researchgate.net)
We have located links that may give you full text access. (qxmd.com)

A full team for epidemiological studies and public health. (wikipedia.org)

After a lot of data processing, we ended up with 64 different bacterial genera to study. (lu.se)

All hospitalisations for pulmonary arterial hypertension (PAH) in the Scottish population were examined to determine the epidemiological features of PAH. (ersjournals.com)
In this context, the aim of the present study was to examine the epidemiological features of PAH within a whole population over a prolonged period from two perspectives, inexpert and expert, a national hospitalisation registry and the specialist centre for PAH management in Scotland. (ersjournals.com)
The high number of false-negative HSDs in the general study population is most likely to be due to the inadequacies of using EDS as the confirmatory test. (cdc.gov)
Contacts with primary and secondary healhtcare prior to sucide: Case-control whole-population-based study using person-level linked routine data in Wales, UK, 2000-2017. (suicideinfo.ca)
Welsh Adverse Childhood Experiences (ACE) Study: Adverse childhood experiences and their impact on health-harming behaviours in the Welsh adult population. (suicideinfo.ca)
Monitoring studies inform members of potentially affected population groups of the nature and magnitude of the risks that might have been imposed on them. (chernobyldatabase.com)

Studies of underground uranium miners from Europe and North America have shown increased cancer risks (principally lung cancer). (allenpress.com)

Contributors ZW and MHM initiated the study and wrote the first manuscript draft. (bmj.com)

Full-limb and knee radiography assessments of varus-valgus alignment and their relationship to osteoarthritis disease features by magnetic resonance imaging. (termedia.pl)

Anatomy3

Organisms5

Diseases32

Chemicals and Drugs31

Analytical, Diagnostic and Therapeutic Techniques and Equipment64

Psychiatry and Psychology8

Phenomena and Processes34

Disciplines and Occupations6

Anthropology, Education, Sociology and Social Phenomena8

Technology, Industry, Agriculture15

Humanities1

Information Science11

Named Groups3

Health Care86

Geographicals36

Characteristics4

Methods8

Prevalence5

Systematic review2

Demographic3

Outcomes3

Assess2

Genome1

Cancer in humans2

Interventions2

Feasibility4

Exposure3

Reviewers2

Doses3

Cancers6

Influenza2

Large cohort studies1

Heart Failure1

20191

Research6

Conclusion3

Severe3

Objectives1

Meta-analyses2

Reconstruction2

Retrospective study2

Humans1

Surveillance1

Participants1

Article1

Pregnant1

Observational1

Quantitative2

Journal2

20201

Longitudinal1

Findings2

Association8

Multicenter1

Factors6

Design3

Trials1

Incidence1

Evidence1

Eligible1

Attempts1

Assessment1

Rural2

Patients13

Text2

Public health1

Bacterial1

Population6

Risks1

Manuscript1

Features1