统计显著性
心脏移植
统计
分组数据
数学
医学
移植
内科学
作者
Nathan Mantel,David P. Byar
标识
DOI:10.1080/01621459.1974.10480131
摘要
Abstract The problem considered is how to compare time-to-response data for different groups when the group membership of an individual can be arbitrarily varied during a study. Modified life tables can be constructed which reflect such changes in an individual's status, and associated measures of relative risk and statistical significance calculated. This is illustrated with survival data for heart-transplant patients, for which a patient can transfer from the nontransplanted to the transplanted group. Alternative procedures are given in which distinctive groups are defined for each transplant day.
科研通智能强力驱动
Strongly Powered by AbleSci AI