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. 2015 Oct 18;74(6):826–832. doi: 10.1016/S1808-8694(15)30142-7

Figure 5.

Figure 5

Audiometric outcome of surgical procedures viewed with AHEPS. First for Teflon implant and second for mixed implant. A - pre and postoperative Bone Conduction (VO) tracing per operated ear. The two diagonal lines contain the areas with bone conduction not varying more than 10dB (area I). II - bone conduction improvement due to Cahart effect; III - cochlear damage (decrease in bone conduction > 10dB). B. Postoperative bone conduction gain against preoperative air-bone gap for individual ears. The solid diagonal line indicates total closure of the difference between preoperative air and bone conduction values. Surgical failure - negative alteration in air conduction or air conduction alteration not significant enough to close the difference between pre and postoperative air conduction to less than 20 dB - values above dotted line. Under the solid line are the values in which air conduction gain was greater than expected from the preoperative gap (”overclosure”).