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Changes in hearing levels in the patients undergoing attic reconstruction or attic obliteration
In the attic obliteration group, the average postoperative air-bone gap was not different from the preoperative hearing and the average gap improved in the patients with attic reconstruction. Bone conduction did not deteriorate in either group. *P<0.05.
AB gap: air-bone gap (0.5, 1, 2, and 3 kHz); BC: bone conduction (1, 2, and 4 kHz).
