Fig. 4From: The effect of anatomical variables and use of the Lifts system on hearing outcomes after implantation of an active transcutaneous bone conduction device in bilateral congenital conductive hearing lossa Preoperative bone conduction and SFT performance before and after BB implantation. b SFT performance unaided, and with BB, in different mastoid types. c SFT performance with BB, with and without dural or sigmoid sinus compression. d SFT performance with BB, with and without Lifts system use. Error bars depict standard deviationBack to article page