Repeated Replication and a Prospective Meta-Analysis of the Association Between Chromosome 9p21.3 and Coronary Artery Disease |...
... novel case-control studies studied here and the replication studies used in previously reported genome-wide association studies ... and source of cases and controls in each study, as well as the main demographical characteristics for all case-control samples ... Welcome Trust Case Control Consortium. Genome-wide association study of 14,000 cases of seven common diseases and 3,000 shared ... was genotyped in 7 case-control studies involving a total of 4645 patients with myocardial infarction or CAD and 5177 controls ...http://circ.ahajournals.org/content/117/13/1675
Co-morbidity of epilepsy in Tanzanian children: a community-based case-control study. - Department of Psychiatry
... from a rural district of Tanzania by conducting a community-based case-control study. METHODS: Children aged 6-14 years old ... Co-morbidities were assessed and cases were compared with age-matched controls. RESULTS: Co-morbidity was very common amongst ... These complications were significantly more common in cases than in controls (odds ratio 14.8, 95%CI 7.6-28.6, p,0.001). Co- ... Poor school attendance was found in 56/112 (50%) of CWE, but not in the controls: it was associated with the presence of ...https://www.psych.ox.ac.uk/publications/216103
Cohort and case-control studies
Case-control study. The starting point of a case-control study is subjects with the disease or condition under study (cases). ... nested case-control study " is used.. An example of a population-based case-control study is a joint Swedish-Norwegian study of ... the hospital-based case-control study is the best choice (15). Cases in a hospital-based study are identified in hospitals ... much weaker compared to those of cohort and case-control studies. This is not to say that findings from cohort and case-control ...https://www.gfmer.ch/Books/Reproductive_health/Cohort_and_case_control_studies.html
Source attribution of human salmonellosis using a meta-analysis of case-control studies of sporadic infections - DTU Orbit
Thirty-five Salmonella case-control studies were identified. In the meta-analysis, heterogeneity between studies and possible ... Source attribution of human salmonellosis using a meta-analysis of case-control studies of sporadic infections. Publication: ... Numerous case-control studies of sporadic salmonellosis have been published, often using different methodologies and settings. ... we performed a systematic review of case-control studies and a meta-analysis of obtained results. ...http://orbit.dtu.dk/en/publications/source-attribution-of-human-salmonellosis-using-a-metaanalysis-of-casecontrol-studies-of-sporadic-infections
An international case-control study of glutathione transferase and functionally related polymorphisms and risk of primary adult...
An international case-control study of glutathione transferase and functionally related polymorphisms and risk of primary adult ...http://umu.diva-portal.org/smash/record.jsf?pid=diva2:151936
Sexual network analysis of a gonorrhoea outbreak | Sexually Transmitted Infections
However, the current network study and the previous case-control study of this outbreak11 re-emphasise the notion that social ... This study shows that the traditional case-control investigation of an outbreak and a network analysis can arrive at similar ... In an earlier case-control study of this outbreak we discovered a positive association between gonococcal infection and ... although without the benefit of a case-control study. The advantage of using information centrality is that it accounts for the ...http://sti.bmj.com/content/80/4/280.full
5 Simple Statements About case study solution Explained ☆☆☆☆☆
We matched Each and every case to approximately 100 controls. Controls have been randomly selected by threat set sampling from ... 5 Simple Statements About case study solution Explained. ",. When I broke the news to the father of kid eleven, to start with ... Our study did not see that celecoxib, the most generally prescribed selective COX 2 inhibitor, boosts the chance of healthcare ... only particular person NSAIDs with at the least five exposed cases were considered while in the design.. .. At ten months of ...http://remingtonjoupu.soup.io/post/629450507/5-Simple-Statements-About-case-study-solution
Design issues in case-control studies. - Semantic Scholar
Consideration of a case-control study as an efficient way to study a cohort helps to resolve some design issues. ... In most case-control studies, the measurement problem is magnified because one cannot implement the collection of exposure ... selection of controls and the quality of the exposure measurement. Plans to ensure careful field work are equally important; ... The most difficult and most important considerations in planning the protocol of a case-control study are ascertainment of ...https://www.semanticscholar.org/paper/Design-issues-in-case-control-studies-Wacholder/13825997b46077bf98ec476831051ae07bf82303
A case-control study of gastric cancer and diet in Italy. | IRIS Univ. Cagliari
A case-control study was conducted in high- and low-risk areas of Italy to evaluate reasons for the striking geographic ... A case-control study was conducted in high- and low-risk areas of Italy to evaluate reasons for the striking geographic ... The case-control differences tended to be consistent across geographic areas, despite marked regional variations in intake ... The case-control differences tended to be consistent across geographic areas, despite marked regional variations in intake ...https://iris.unica.it/handle/11584/55867
Control Recruitment in Population-Based Case-Control Studies : Epidemiology
Control Recruitment in Population-Based Case-Control Studies. Bernstein, Leslie. Epidemiology: May 2006 - Volume 17 - Issue 3 ... Voigt et al12 studied this pattern in a large breast cancer case-control study in which a validation substudy of prescription ... Two recent multicenter case-control studies used RDD for control identification and recruitment: the Women's Contraceptive and ... Home , May 2006 - Volume 17 - Issue 3 , Control Recruitment in Population-Based Case-Control Studies ...http://journals.lww.com/epidem/Fulltext/2006/05000/Control_Recruitment_in_Population_Based.8.aspx
The Limits of Case-Control Studies : Epidemiology
Appending epidemiological studies to conventional case-control studies (hybride case-control studies). Eur J Epidemiol. 2004;19 ... nested case-control or case-cohort studies within prospective cohort studies with high baseline response. Another option ( ... 2. Bernstein L. Control recruitment in population-based case-control studies. Epidemiology. 2006;17:255-257.. * Cited Here... ... The Limits of Case-Control Studies. Stang, Andreas; Jöckel, Karl-Heinz. Epidemiology: November 2006 - Volume 17 - Issue 6 - p ...http://journals.lww.com/epidem/Pages/ArticleViewer.aspx?year=2006&issue=11000&article=00018&type=Fulltext
Insulin-like Growth Factors and Ovarian Cancer Risk: A Nested Case-Control Study in Three Cohorts | Cancer Epidemiology,...
... nested case-control study among three cohort studies: the Nurses' Health Study (NHS), NHSII, and the Women's Health Study (WHS ... Given that retrospective case-control studies have reported lower IGF-I levels in cases versus controls (5-10), we examined ... Case-control sets and samples from the same study were assayed together, ordered randomly, and labeled to mask case-control and ... Each case was matched to two controls, who had intact ovaries at the time of the case diagnosis (expect for four cases for whom ...http://cebp.aacrjournals.org/content/16/8/1691
Cytokines profile in hypertensive patients with left ventricular remodeling and dysfunction. - Semantic Scholar
... as captured by echocardiography in patients with HTN in a cross-sectional case-control study nested within the FLEMish study on ... The present study aimed to identify a set of cytokines that are associated with early left ventricular (LV) remodeling and ... as captured by echocardiography in patients with HTN in a cross-sectional case-control study nested within the FLEMish study on ... The present study aimed to identify a set of cytokines that are associated with early left ventricular (LV) remodeling and ...https://www.semanticscholar.org/paper/Cytokines-profile-in-hypertensive-patients-with-le-Kuznetsova-Haddad/859669e4033939ce7fc964437859f89117117e24
Urogenital Infections as a Risk Factor for Preterm Labor: A Hospital-Based Case-Control Study | SpringerLink
In our study, urogenital infection was seen in 19 women in Case Group I (36.54 %) compared with 9 women in Control Group (17.3 ... This prospective case-control study was performed to see the association between preterm labor and urogenital infections. ... Urogenital Infections as a Risk Factor for Preterm Labor: A Hospital-Based Case-Control Study. ... Control Group II included 52 women at completed or more than 37 weeks of gestation with no history of preterm labor, matched to ...https://link.springer.com/article/10.1007%2Fs13224-014-0523-6
What is a case-control study?
A case-control study is an analytical study which compares individuals who have a specific disease ('cases') with a group of ... What is a case-control study?. A case-control study is an analytical study which compares individuals who have a specific ... A case-control study generally depends on the collection of retrospective data, thus introducing the possibility of recall bias ... The opportunities to effectively use case-control studies may expand as new ways of characterizing exposure through the use of ...http://www.ehib.org/ehib/www.ehib.org/faq0c9d.html?faq_key=34
Association of folate-pathway gene polymorphisms with the risk of prostate cancer: a population-based nested case-control study...
4 studies; 6,222 cases; 35,821 controls), SHMT1 C1420T (rs1979277; 2 studies; 2,689 cases; 4,110 controls), and FOLH1 T1561C ( ... 5 studies; 3,176 cases; 4,829 controls), MTR A2756G (rs1805087; 8 studies; 7,810 cases; 37,543 controls), MTRR A66G (rs1801394 ... 4 studies; 3,032 cases; 4,515 controls), MTHFD1 G1958A (rs2236225; 6 studies; 7,493 cases; 36,941 controls), SLC19A1/RFC1 G80A ... studies and from a case-control study nested within the UK population-based Prostate Testing for Cancer and Treatment study. We ...https://www.situ.ox.ac.uk/publications/4390
Case-control study - Wikipedia
Nested case-control study Retrospective cohort study Randomized controlled trial "8. Case-control and cross sectional studies ... The case-control study design is often used in the study of rare diseases or as a preliminary study where little is known about ... The case-control is a type of epidemiological observational study. An observational study is a study in which subjects are not ... Wellcome Trust Case Control Consortium case study writer - National center of observational study. ...https://en.wikipedia.org/wiki/Case-control_study
Nested case-control study - Wikipedia
A nested case control (NCC) study is a variation of a case-control study in which cases and controls are drawn from the ... A case-cohort study is a design in which cases and controls are drawn from within a prospective study. All cases who developed ... Thus the nested case control study is less efficient than the full cohort design. The nested case control study can be analyzed ... Keogh, Ruth H.; Cox, D. R. (2014). "Nested case-control studies". Case-Control Studies. Cambridge University Press. pp. 160-190 ...https://en.wikipedia.org/wiki/Nested_case-control_study
Irrelevance of Noncollapsibility in Case-Control Studies : Epidemiology
Home , January 2013 - Volume 24 - Issue 1 , Irrelevance of Noncollapsibility in Case-Control Studies ... Irrelevance of Noncollapsibility in Case-Control Studies. Karp, Igor. Epidemiology: January 2013 - Volume 24 - Issue 1 - p 173- ...http://journals.lww.com/epidem/Citation/2013/01000/Irrelevance_of_Noncollapsibility_in_Case_Control.30.aspx
What is a case-control study in medical research?
... controls' in this type of medical research study, which is a relatively quick and easy way to find clues, but with scientific ... Limitations of case-control studies. While a case-control study can help to test a hypothesis about the link between a risk ... Why is a case-control study useful in medical research?. There are multiple reasons why case-control studies are useful to ... What is a case-control study in medical research?. Find out how 'cases' are compared with 'controls' in this type of medical ...https://www.medicalnewstoday.com/articles/280936.php
Case-control studies of severe malaria.
This paper discusses methodological aspects of case-control studies of severe malaria including case and control definitions, ... Case-control studies in which children with severe disease are compared with children with non-severe disease and with ... Although specifically concerned with malaria, many of these issues are equally relevant to case-control studies of other ... selection of cases and controls, potential risk factors, sample size calculations and analysis. ...https://www.omicsonline.org/references/casecontrol-studies-of-severe-malaria-1568617.html
Reuse of Controls in Nested Case-Control Studies : Epidemiology
Reuse of Controls in Nested Case-Control Studies. Støer, Nathalie C.; Meyer, Haakon E.; Samuelsen, Sven Ove ... A nested case-control design with risk set sampling1,2 matches controls to cases on time and often on additional factors. This ... Home , March 2014 - Volume 25 - Issue 2 , Reuse of Controls in Nested Case-Control Studies ... Inverse probability weighting in nested case-control studies with additional matching-a simulation study. Stat Med. 2013;32: ...https://journals.lww.com/epidem/Fulltext/2014/03000/Reuse_of_Controls_in_Nested_Case_Control_Studies.31.aspx
Case-Control Studies - AMA Manual of Style
Cases and controls generally are matched according to specific characteristics (eg, age, sex, or duration of disease) to reduce ... Cases and controls are then evaluated for exposure to various and thus should never be selected on the basis of their exposure ... Case-control studies, which are always retrospective, compare those who have had an outcome or event () with those who have not ... Case-Control Studies Case-Control Studies. Chapter:. (p. 836) Study Design and Statistics. Author(s):. Margaret A. Winker. and ...http://www.amamanualofstyle.com/oso/viewoxchap/10.1093$002fjama$002f9780195176339.001.0001$002fmed-9780195176339-div2-526
NIOSHTIC-2 Publications Search - 00238244 - A vinyl chloride case-control study.
This study was described as part of a text book and took the reader through the same steps that the investigator took when ... Investigators examined the reports of an earlier study of liver cancers occurring at a polyvinyl-chloride (9002862) (PVC) ... Case studies in occupational epidemiology. Steenland K, ed. New York: Oxford University Press, 1993 Jan; :66-75 ... This study was described as part of a text book and took the reader through the same steps that the investigator took when ...https://www.cdc.gov/niosh/nioshtic-2/00238244.html
Methodologic issues in injury case-control studies. | Injury Prevention
... relevant to case-control studies of injury are illustrated by reference to previous childhood injury case-control studies. In ... The potential for hospital admission bias in injury case-control studies is considered along with potential strategies for ... contrast to studies of disease, where 'person time' constitutes the observational experience of interest, in injury studies ... The implications for the definition of the study base are discussed. ...http://injuryprevention.bmj.com/content/1/1/45
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