IMPORTANCE OF BETA, TYPE-II ERROR AND SAMPLE-SIZE IN DESIGN AND INTERPRETATION OF RANDOMIZED CONTROL TRIAL - SURVEY OF 71 NEGATIVE TRIALS

被引：1262
作者：
FREIMAN, JA
CHALMERS, TC
SMITH, H
KUEBLER, RR
机构：
[1] CUNY,MT SINAI SCH MED,DEPT BIOSTAT,NEW YORK,NY 10029
[2] CUNY,MT SINAI SCH MED,OFF DEAN,NEW YORK,NY 10029
[3] UNIV N CAROLINA,SCH PUBL HLTH,DEPT BIOSTAT,CHAPEL HILL,NC 27514
来源：
NEW ENGLAND JOURNAL OF MEDICINE | 1978年 / 299卷 / 13期
关键词：
D O I：
10.1056/NEJM197809282991304
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
引用
收藏
页码：690 / 694
页数：5
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