Pitfalls in the design of clinical trials for interstitial cystitis.
Propert
Kathleen Joy
KJ
Department of Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-6021, USA.
Payne
Christopher
C
Kusek
John W
JW
Nyberg
Leroy M
LM
D015986:Confounding Factors, Epidemiologic; D018856:Cystitis, Interstitial / Q000628:therapy*; D003625:Data Collection / Q000592:standards; D003627:Data Interpretation, Statistical; D006801:Humans; D017063:Outcome Assessment, Health Care; D018579:Patient Selection; D015990:Placebo Effect; D016032:Randomized Controlled Trials as Topic / Q000379:methods; D018401:Sample Size; D012720:Severity of Illness Index