Articles with "case cohort" as a keyword



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A comparison of Cox and logistic regression for use in genome-wide association studies of cohort and case-cohort design

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Published in 2017 at "European Journal of Human Genetics"

DOI: 10.1038/ejhg.2017.78

Abstract: Logistic regression is often used instead of Cox regression to analyse genome-wide association studies (GWAS) of single-nucleotide polymorphisms (SNPs) and disease outcomes with cohort and case-cohort designs, as it is less computationally expensive. Although Cox… read more here.

Keywords: case cohort; association; logistic regression; regression ... See more keywords
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The Case for Case-Cohort: An Applied Epidemiologist's Guide to Reframing Case-Cohort Studies to Improve Usability and Flexibility.

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Published in 2022 at "Epidemiology"

DOI: 10.1097/ede.0000000000001469

Abstract: When research questions require the use of precious samples, expensive assays or equipment, or labor-intensive data collection or analysis, nested case-control or case-cohort sampling of observational cohort study participants can often reduce costs. These study… read more here.

Keywords: case cohort; case case; cohort studies; flexibility ... See more keywords
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Improving efficiency of parameter estimation in case-cohort studies with multivariate failure time data.

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Published in 2017 at "Biometrics"

DOI: 10.1111/biom.12657

Abstract: The case-cohort study design is an effective way to reduce cost of assembling and measuring expensive covariates in large cohort studies. Recently, several weighted estimators were proposed for the case-cohort design when multiple diseases are… read more here.

Keywords: information; weighted estimators; cohort; case cohort ... See more keywords
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Additive subdistribution hazards regression for competing risks data in case-cohort studies.

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Published in 2023 at "Biometrics"

DOI: 10.1111/biom.13821

Abstract: In survival data analysis, a competing risk is an event whose occurrence precludes or alters the chance of the occurrence of the primary event of interest. In large cohort studies with long-term follow-up, there are… read more here.

Keywords: case cohort; cohort studies; subdistribution; cohort ... See more keywords
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Determinants of neonatal mortality among preterm births in Black Lion Specialized Hospital, Addis Ababa, Ethiopia: a case–cohort study

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Published in 2022 at "BMJ Open"

DOI: 10.1136/bmjopen-2020-043509

Abstract: Background Preterm neonatal death is a global burden in both developed and developing countries. In Ethiopia, it is the first and fourth cause of newborn and under-5 deaths, respectively. From 2015 to present, the government… read more here.

Keywords: case cohort; preterm births; neonatal mortality; mortality ... See more keywords
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Lifetime prevalence and correlates of perinatal depression in a case-cohort study of depression

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Published in 2022 at "BMJ Open"

DOI: 10.1136/bmjopen-2021-059300

Abstract: Objectives This study sought to evaluate the prevalence, timing of onset and duration of symptoms of depression in the perinatal period (PND) in women with depression, according to whether they had a history of depression… read more here.

Keywords: case cohort; prevalence; depression; correlates perinatal ... See more keywords
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Severity of Hypertension Mediates the Association of Hyperuricemia With Stroke in the REGARDS Case Cohort Study.

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Published in 2019 at "Hypertension"

DOI: 10.1161/hypertensionaha.119.13580

Abstract: Previous studies do not widely support hyperuricemia as a risk factor for stroke and other cardiovascular diseases. We assessed the relationship between hyperuricemia and ischemic stroke (≈900 cases) using a large data set from the… read more here.

Keywords: hypertension; association hyperuricemia; association; case cohort ... See more keywords
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Evaluation of multiple imputation approaches for handling missing covariate information in a case-cohort study with a binary outcome

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Published in 2022 at "BMC Medical Research Methodology"

DOI: 10.1186/s12874-021-01495-4

Abstract: Background In case-cohort studies a random subcohort is selected from the inception cohort and acts as the sample of controls for several outcome investigations. Analysis is conducted using only the cases and the subcohort, with… read more here.

Keywords: covariate; case; imputation; cohort ... See more keywords
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[Statistical methods for relative risk estimation and applications in case-cohort study].

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Published in 2022 at "Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi"

DOI: 10.3760/cma.j.cn112338-20210812-00638

Abstract: Objective: To systematically introduce the design of case-cohort study and the statistical methods of relative risk estimation and their application in the design. Methods: First, we introduced the basic principles of case-cohort study design. Secondly,… read more here.

Keywords: case cohort; regression; full cohort; cohort ... See more keywords
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Additive hazards regression for case-cohort studies with interval-censored data

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Published in 2020 at "Statistics and Its Interface"

DOI: 10.4310/sii.2020.v13.n2.a4

Abstract: A large literature has been developed for the analysis of case-cohort studies that are often performed with the aim of reducing the cost on the collection of covariate information. In particular, many authors have discussed… read more here.

Keywords: regression; additive hazards; case; censored data ... See more keywords