Cohort and Case-control studies
Primary decompressive craniectomy in neurocritical patients. a meta-analysis of randomized controlled trials, cohort and case-control studies
... RCTs, cohort and case-control studies regarding the effects of DC on patients with severe acute intracranial pathology potentially susceptible to this surgical ...
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Association of Lung Cancer and Tea-Drinking Habits of Different Subgroup Populations: Meta-Analysis of Case-Control Studies and Cohort Studies
... of studies with different designs (case-control and cohort) lead to biased results, the subgroup analysis by study design of tea types (green tea, black tea and tea un-know), geographical ...
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Body mass index and lung cancer risk: a pooled analysis based on nested case-control studies from four cohort studies
... nested case-control studies from four cohort ...A case-control study was nested within four cohorts in USA, Europe, China and Singapore that included 4172 cases and 8471 ...
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Test of Association Between Haplotypes and Phenotypes in Case–Control Studies: Examination of Validity of the Application of an Algorithm for Samples From Cohort or Clinical Trials to Case–Control Samples Using Simulated and Real Data
... in case–control studies is an area of focus for the research on the association between phenotypes and genetic ...from cohort studies or clinical trials, to the data from ...
12
Attributable mortality of Acinetobacter baumannii infections in critically ill patients: a systematic review of matched cohort and case control studies
... matched case-control and cohort studies examining the mortality of patients with coloni- zation or infection with ...reviewed studies did not and could not match for other factors that ...
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The analysis of case-control studies. Nested case control and case cohort studies: Estimation of relative risk
... nested case-control study and a case-cohort study is the way in which controls are ...of case-cohort design over nested case-control design is that the same ...
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Hybrid copula mixed models for combining case-control and cohort studies in meta-analysis of diagnostic tests
... In Table 6 we report the resulting maximized log-likelihoods, estimates, and standard errors of the hybrid copula mixed models with different choices of parametric families of copulas and margins for the for the PET-CT ...
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Psoriasis is Associated with An Increased Risk of Osteoporosis: Follow-Up and Nested Case–Control Studies Using A National Sample Cohort
... There were several limitations to our study. First, diseases were identified by ICD-10 codes in the claims database. Therefore, coding/mismatching/misclassification errors are possible. Second, although both psoriasis ...
27
Multiple imputation of missing data in nested case-control and case-cohort studies.
... full cohort data by considering the full cohort and the substudy as a two-phase design in which some covariates are observed in the phase-one sample (the full cohort) and other expensive covariates ...
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Bayesian Statistical Methods for Genetic Association Studies with Case-Control and Cohort Design
... linkage studies. Overall, large-scale association studies of samples of unrelated affected cases and unaffected controls hold promise for discovering genes with weak to moderate effects on disease risk ...
172
Statistical methods for case-control and case-cohort studies with possibly correlated failure time data
... retrospective case-control studies have been studied in the ...from case-control. Work for correlated failure time data from case-control studies has been ...from ...
184
Case control studies. Chapter 9
... conducted case–control study that has taken into account all the methodological concerns can yield valid and informative ...a case–control study provide an unbiased estimate of the measure of ...
24
A comparison of Cox and logistic regression for use in genome-wide association studies of cohort and case-cohort design
... epidemiological cohort and case-cohort studies (Supplementary ...Text). Case-cohort studies are similar to cohort studies, with the exception that full ...
9
Bias control in the analysis of case-control studies with incidence density sampling.
... of case-control studies nested within a fixed cohort using the Gompertz distribution (6,7), but we broadened the range of the number of cases and case to control ...by ...
101
Analysis of Case-Control Age-at-Onset Data Using a Modified Case-Cohort Method
... Summary. Case-control designs are widely used in rare disease ...typical case- control study, data are collected from a sample of all available subjects who have experienced a disease (cases) ...
21
Causal diagrams and the logic of matched case-control studies
... Before discussing the remedy, and later, the wisdom of matching, an intriguing question might be asked. Having nullified the association between C and D, how can match- ing result in net bias? Do the paths CD and C--D ...
8
Measles Epidemic in Romania, : Assessment of Vaccine Effectiveness by Case-Control and Cohort Studies
... A case-control study among preschool children and a cohort study among primary-school children were conducted to estimate effectiveness of Romanian- produced measles vaccine, and to eval[r] ...
8
Parameter estimation in case-cohort studies
... large cohort. The case-cohort design is most useful here as it can save most of the ...current case-cohort estimators when dealing with small sampling ...to case-control ...
91
Influenza vaccine effectiveness among high-risk groups: a systematic literature review and metaanalysis of case-control and cohort studies
... Vincenzo Restivo, Claudio Costantino, Stefania Bono, Marialuisa Maniglia, Valentina Marchese, Gianmarco Ventura, Alessandra Casuccio, Fabio Tramuto & Francesco Vitale To cite this article: Vincenzo Restivo, Claudio ...
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Quasi-Experiments in Schools: The Case for Historical Cohort Control Groups
... Quasi-experimental studies are similar to experiments in that they compare treatment to nontreatment conditions; however, participants are not randomly assigned to ...nonequivalent control group for ...
9