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pro vyhledávání: '"Jianwen Cai"'
Publikováno v:
Biometrika. 100:695-708
The case-cohort study design, used to reduce costs in large cohort studies, involves a random sample of the entire cohort, called the subcohort, augmented with subjects having the disease of interest but not in the subcohort sample. When several dise
Autor:
Sang-Wook Kang, Jianwen Cai
Publikováno v:
Biometrika. 96:887-901
Case-cohort study designs are widely used to reduce the cost of large cohort studies while achieving the same goals, especially when the disease rate is low. A key advantage of the case-cohort study design is its capacity to use the same subcohort fo
Autor:
Eric A. Whitsel, Wayne D. Rosamond, Jianwen Cai, Gerardo Heiss, Pentti M. Rautaharju, Richard G. Hutchinson, Ralph W. Barnes, Duanping Liao
Publikováno v:
American Journal of Epidemiology. 145:696-706
Cardiac autonomic activity, as assessed by heart rate variability, has been found to be associated with postmyocardial infarction mortality, sudden death, and all-cause mortality. However, the association of heart rate variability and the incidence o