I found some sling information though this organization. They indicated when the AdVance method is used 40% are dry, 40% get much improved and 20% no help. Since the Advance has only been used since 2006 data is on limited side. It seems regarding sucess rates I have seen better numbers on other information sources. Seeing URO next week to talk about it. I don't like the thought of screw inseration used in the Invance method.