Weichung Joseph Shih

Sample size re-estimation without unblinding for normally distributed outcomes with unknown variance

A. Lawrence Gould, Weichung Joseph Shih · Communication in Statistics- Theory and Methods · 1992 · 229 citations

Sample Size Re-estimation, Engineering, Clinical Endpoint +18

Problems in dealing with missing data and informative censoring in clinical trials

Weichung Joseph Shih · Current Controlled Trials in Cardiovascular Medicine · 2002 · 168 citations · Full text

Clinical Trial Management, Patient Safety, Clinical Trials +14

TESTING FOR TREATMENT DIFFERENCES WITH DROPOUTS PRESENT IN CLINICAL TRIALS - A COMPOSITE APPROACH

Weichung Joseph Shih, Hui Quan · Statistics in Medicine · 1997 · 96 citations

Family Medicine, Dropout Patterns, Health Policy +12

Sample Size and Power Calculations for Periodontal and Other Studies with Clustered Samples Using the Method of Generalized Estimating Equations

Weichung Joseph Shih · Biometrical Journal · 1997 · 56 citations

Power Calculations, Generalized Estimating Equations, Biostatistics +4

Design for sample size re-estimation with interim data for double-blind clinical trials with binary outcomes

Weichung Joseph Shih, Peng-Liang Zhao · Statistics in Medicine · 1997 · 47 citations

Sample Size Re-estimation, Clinical Endpoint, Treatment Effect +17