POWER ESTIMATION FOR RANK-TESTS USING CENSORED-DATA - CONDITIONAL AND UNCONDITIONAL

被引:10
作者
CANTOR, AB
机构
[1] University of Florida, Pediatric Oncology Group Statistical Office, Gainesville, FL
来源
CONTROLLED CLINICAL TRIALS | 1991年 / 12卷 / 04期
关键词
CONDITIONAL POWER; UNCONDITIONAL POWER; RANK TESTS; POWER ESTIMATIONS; CENSORED DATA;
D O I
10.1016/0197-2456(91)90007-9
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
A computer program that estimates, through simulations, the conditional power of linear rank tests for right censored data given an existing set of survival data is described. All or some observations in the existing data set may be subject to continued observation. Several possible uses for this program are given along with some examples. The program is available upon request for a nominal charge.
引用
收藏
页码:462 / 473
页数:12
相关论文
共 25 条
[1]  
ANDERSEN PK, 1987, CONTROL CLIN TRIALS, V8, P67
[2]   RANDOMIZED CLINICAL-TRIALS - PERSPECTIVES ON SOME RECENT IDEAS [J].
BYAR, DP ;
SIMON, RM ;
FRIEDEWALD, WT ;
SCHLESSELMAN, JJ ;
DEMETS, DL ;
ELLENBERG, JH ;
GAIL, MH ;
WARE, JH .
NEW ENGLAND JOURNAL OF MEDICINE, 1976, 295 (02) :74-80
[3]   STATISTICAL ASPECTS OF EARLY TERMINATION IN THE BETA-BLOCKER HEART ATTACK TRIAL [J].
DEMETS, DL ;
HARDY, R ;
FRIEDMAN, LM ;
LAN, KKG .
CONTROLLED CLINICAL TRIALS, 1984, 5 (04) :362-372
[4]   SAMPLE-SIZE CONSIDERATIONS FOR STUDIES COMPARING SURVIVAL CURVES USING HISTORICAL CONTROLS [J].
DIXON, DO ;
SIMON, R .
JOURNAL OF CLINICAL EPIDEMIOLOGY, 1988, 41 (12) :1209-1213
[5]  
Freedman L S, 1982, Stat Med, V1, P121, DOI 10.1002/sim.4780010204
[6]  
GEHAN EA, 1965, BIOMETRIKA, V52, P203, DOI 10.1093/biomet/52.1-2.203
[7]   NON-RANDOMIZED CONTROLS IN CANCER CLINICAL TRIALS [J].
GEHAN, EA ;
FREIREICH, EJ .
NEW ENGLAND JOURNAL OF MEDICINE, 1974, 290 (04) :198-203
[8]   PLANNING SIZE AND DURATION OF A CLINICAL TRIAL STUDYING TIME TO SOME CRITICAL EVENT [J].
GEORGE, SL ;
DESU, MM .
JOURNAL OF CHRONIC DISEASES, 1974, 27 (1-2) :15-24
[9]   SURVIVORSHIP ANALYSIS WHEN CURE IS A POSSIBILITY - A MONTE-CARLO STUDY [J].
GOLDMAN, AI .
STATISTICS IN MEDICINE, 1984, 3 (02) :153-163
[10]   AN AID TO DATA MONITORING IN LONG-TERM CLINICAL-TRIALS [J].
HALPERIN, M ;
LAN, KKG ;
WARE, JH ;
JOHNSON, NJ ;
DEMETS, DL .
CONTROLLED CLINICAL TRIALS, 1982, 3 (04) :311-323