GSTM1 and bacterial urinary tract infection: HoLEP vs. TURP Less drop in Hb levels in HoLEP group (p=0.11) Drop in serum sodium levels (p=0.14) Intraoperative bleeding and blood transfusion (0 vs. 1) Capsular injury (6 vs. 7) Bladder injury (3 vs. 0) UTI (4 vs. 5) Urge incontinence (10 vs. 8)