Selecting patients for randomized trials: a systematic approach based on risk group
نویسندگان
چکیده
منابع مشابه
Selecting patients for randomized trials: a systematic approach based on risk group
BACKGROUND A key aspect of randomized trial design is the choice of risk group. Some trials include patients from the entire at-risk population, others accrue only patients deemed to be at increased risk. We present a simple statistical approach for choosing between these approaches. The method is easily adapted to determine which of several competing definitions of high risk is optimal. METH...
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ژورنال
عنوان ژورنال: Trials
سال: 2006
ISSN: 1745-6215
DOI: 10.1186/1745-6215-7-30