Being the manner which registers the subject for observation research or epidemiology research

摘要

PPROBLEM TO BE SOLVED: To provide a method for registering subjects for observation study or epidemiological study of a medicine. PSOLUTION: A comparison object factor and a registration adjustment factor are determined, and levels of comparison object factor and registration adjustment factor of the subjects are recorded. Based on the total number of subjects belonging to the same level of each registration adjustment factor of subjects registered in each comparison group and a target number of registered subjects in each comparison group, a probability of shift from temporary registration to main registration is set with respect to subjects temporarily registered in advance, and the temporarily registered subjects are mainly registered according to the probability. PCOPYRIGHT: (C)2011,JPO&INPIT