title: [Application of PASS in sample size estimation of non-inferiority, equivalence and superiority design in clinical trials].
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.
authors.affiliation: Department of Sexually Transmitted Diseases and AIDS Prevention and Control, Dongcheng District Center for Disease Control and Prevention, Beijing 100050, China.
authors.forename: Y Y
authors.initials: YY
authors.lastname: Wang
authors.affiliation: Scientific Research Department, China-Japanese Friendship Hospital, Beijing 100029, China.
authors.forename: R H
authors.initials: RH
authors.lastname: Sun
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D012107:Research Design; D018401:Sample Size