Perioperative BPMT was not associated with greater improvements in urinary scores at 6 months ( adjusted treatment difference , -6.7 ; 95 % CI , -19.7 to 6.2 ) , prolapse scores at 24 months ( adjusted treatment difference , -8.0 ; 95 % CI , -22.1 to 6.1 ) , or anatomic success at 24 months .