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Table 4 Restoration of hearing function

From: A retrospective comparative study of endoscopic and microscopic Tympanoplasty

  Group p
TEES (n = 53) MES (n = 100)
Average pre-operative ABG ± SD (dB) 24.7 ± 8.1 25.0 ± 8.2 0.8217
Average post-operative ABG ± SD (dB) 14.4 ± 9.2 12.3 ± 6.2 0.2256
Average hearing gain ± SD (dB) 10.3 ± 6.4 12.4 ± 7.5 0.1663
Percentage of patients with improved hearing 51 / 53 (96.2%) 94 / 100 (94.0%) 0.4848