Table 1 Characteristics of both groups and postoperative results
From: Endoscopic tympanoplasty type I using interlay technique
Group | P valuea | ||
|---|---|---|---|
TEES with interlay (n = 51) | MS with underlay (n = 104) | ||
Age (± SD) years | 49.0 (± 23.5) | 43.3 (± 21.1) | n.s |
Size of perforations 1/2/3/4 quadrants (%) | 9/31/8/3 (17.6/60.7/15.7/5.9) | 27/43/23/11 (26.0/41.3/22.1/10.6) | |
Sites of perforations AQ/PQ/both (%) | 23/1/27 (45.1/2.0/52.9) | 38/9/57 (36.5/8.7/54.8) | |
Successful tympanic membrane healing | 50 (98.0%) | 96 (92.3%) | n.s |
Sites of reperforations AQ/PQ/both | 1/0/0 | 5/1/2 | |
PTA BC | |||
Preoperative (± SD) dB | 24.2 (± 17.2) | 16.0 (± 13.6) | P < 0.01 |
Postoperative (± SD) dB | 23.6 (± 16.1) | 15.9 (± 13.1) | P < 0.01 |
P valuea | P = 0.86 | P = 0.96 | |
PTA AC | |||
Preoperative (± SD) dB | 43.5 (± 18.7) | 36.6 (± 16.4) | P < 0.05 |
Postoperative (± SD) dB | 30.5 (± 17.5) | 26.0 (± 14.6) | n.s |
P valuea | P < 0.01 | P < 0.01 | |
ABG | |||
Preoperative (± SD) dB | 19.2 (± 9.4) | 20.7 (± 8.8) | n.s |
Postoperative (± SD) dB | 6.8 (± 5.8) | 10.1 (± 6.6) | P < 0.01 |
P valuea | P < 0.01 | P < 0.01 | |