The QD and BID groups did not significantly differ in the following : percentages of patients with 25 % ( 63.41 % and 67.82 % , respectively ; P = .349 ) or 4-point improvement in total IPSS ( 65.85 % and 69.31 % , respectively ; P = .457 ) , maximum urinary flow rate improvement 30 % ( 47.32 % and 40.59 % , respectively ; P = .172 ) , changes in IPSS voiding subscore ( -4.42 4.93 and -4.65 4.77 ; P = .641 ) , IPSS storage subscore ( -2.05 3.07 and -2.52 2.97 ; P = .117 ) , quality of life ( -1.19 1.49 and -1.40 1.42 ; P = .136 ) , maximum urinary flow rate ( 3.55 5.93 and 3.74 6.79 mL/s ; P = .768 ) , International Continence Society male questionnaire score , Patient Goal Achievement Score , or Treatment Satisfaction Question .