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Table 2 Comparison of hearing gains and the air-bone gap ((dB) mean ± SD)

From: Endoscopic myringoplasty: comparison of double layer cartilage-perichondrium graft and single fascia grafting

 Pre-ABGPost- ABG (6 months)P1Gain (mean)Post- ABG (12 months)P1Gain (mean)
Double layer graft group (n = 67)23.26 ± 8.3411.35 ± 3.270.001*12.12 ± 5.929.61 ± 2.540.001*14.17 ± 4.66
Fascia graft group (n = 67)24.15 ± 7.8410.12 ± 2.430.001*14.41 ± 7.589.43 ± 3.280.001*15.27 ± 6.32
P20.7940.832 0.8360.895 0.811
  1. 1Paired Samples test 2Mann Whitney U test
  2. *p < 0.01
  3. 1; Comparison ABG between the same groups pre- and postoperatively
  4. 2: Comparison between two groups in terms of gain, pre- or postoperatively