Sample-size calculations for the cox proportional hazards regression model with nonbinary covariates

Controlled Clinical Trials

Volumn 21, Issue 6, 2000, Pages 552-560

  Hsieh, F Y ^a,b   Lavori, Philip W ^a  

^a VA PALO ALTO HEALTH CARE SYSTEM   (United States)

^b VETERANS AFFAIRS MEDICAL CENTER   (United States)

Author keywords

Nonbinary covariates; Proportional hazards regression; Sample size; Variance inflation factor

Indexed keywords

ANALYTIC METHOD; ARTICLE; COVARIANCE; REGRESSION ANALYSIS; SAMPLING; SCORING SYSTEM; SIMULATION; STATISTICAL ANALYSIS; SURVIVAL TIME;

ANALYSIS OF VARIANCE; PROPORTIONAL HAZARDS MODELS; SAMPLE SIZE; SURVIVAL ANALYSIS;

EID: 0034528314     PISSN: 01972456     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0197-2456(00)00104-5     Document Type: Article

References (16)

1. Sample-size formula for the proportional-hazards regression model
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3. Sample sizes based on the logrank statistics in complex clinical trials
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5. Simulation program for estimating statistical power of Cox's proportional hazards model assuming no specific distribution for the survival time
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7. A simple method of sample size calculation for linear and logistic regression
8. Some surprising results about covariate adjustment in logistic regression models
9. Sample size calculation for ordered categorical data
10. Model inconsistency, illustrated by the Cox proportional hazards model
11. Properties of proportional-hazards scores tests under misspecified regression models
12. A step-up procedure for selecting variables associated with survival
13. A large sample study of Cox' regression model