In that review, the mean PSA nadir ranged from 1.9 to 2.7 ng/ml (vs. 2.2 ng/ml in the current review), the rate of positive biopsy ranged from 14 to 38% (vs. 19.8%), and the incidence of complications was 21% for ED (vs. 16.7%), 11% for urinary tract infection (vs. 3.0%), 9% for retention (vs. 6.2%), and 2% for incontinence (vs. 1.9%). This evidence concerns the gene KLK3 and urinary tract infection.