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Table 2 Comparison of air-bone gap and the hearing gains between the two groups pre- and postoperatively

From: Comparison of the anatomical and functional success of fascia and perichondrium grafts in transcanal endoscopic type 1 tympanoplasty

Air Bone GapPreoperative
ABG (dB)
Postoperative (dB)PaGain(median)pb
Group; mean ± SD
Group A (N:79)23.54 ± 6.8910.59 ± 4.470.001**12.88 ± 6.950.202
Group B (N:72)21.83 ± 7.327.44 ± 6.110.001**14s.28 ± 8.41 s0.073
  1. aPaired Samples test
  2. bMann Whitney U test
  3. **p < 0.01
  4. *p < 0.05
  5. a; Comparison ABG between two groups pre- and postoperatively
  6. b: Comparison between two groups in terms of gain