Hearing Benefit in Allograft Tympanoplasty Using Tutoplast Processed Malleus

Figure 1

Hearing thresholds before and after surgery. Preoperative (pre-op) and postoperative (post-op) hearing thresholds in db Hearing Level including standard deviation are shown. The first group of two columns (black and grey column, resp.) denotes the hearing threshold on air conduction preoperatively and postoperatively. The second group of two columns denotes the air-bone gap preoperatively and postoperatively (patterned and white column, resp.).