Application of PASS in sample size estimation of non-inferiority, equivalence and superiority design in clinical trials / 中华流行病学杂志

ABSTRACT

The sample size of non-inferiority,equivalence and superiority design in clinical trial was estimated by using PASS 11 software.The result was compared with that by using SAS to evaluate the practicability and accuracy of PASS 11 software for the purpose of providing reference for sample size estimation in clinical trial design.