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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: J Urol. 2012 Oct 30;189(4):1268–1274. doi: 10.1016/j.juro.2012.10.070

Pretreatment patient demographics

Placebo Oxybutynin p Value
No. gender:
 M 18 23 0.14
 F 7 2
Age 66.9 68.6 0.27
No. race (Caucasian: African-American) 21:4 23:2 0.67
Body mass index (kg/m2) 28.2 30.2 0.36
AUA symptom score 8.52 7.29 0.41
% Tobacco use 80 88 0.80