After 1 month of treatment , the mean alteration in the International Prostate Symptom Score was 3.9 and 5.2 ( P = .028 ) , for the maximum urinary flow rate ( Q ( max ) ) , it was 3.0 and 3.6 mL/s ( P = .206 ) , and for the QoL score it was 1.3 and 1.7 ( P = .038 ) in groups 1 and 2 , respectively .