Table 2.
Comparison between endoscopic and microscopic approach
| Variable | Endoscopic surgery (n=10) | Microscopic surgery (n=10) |
|---|---|---|
| Mean age (yr) | 43.5 | 49.8 |
| Sex (male:female) | 5:5 | 5:5 |
| Anesthesia (general:local) | 6:4 | 6:4 |
| Stage (1b:2)a) | 7:3 | 3:7 |
| Air conduction PTA (dB HL), mean±SE | ||
| Preoperative | 36.13±5.8 | 36.63±4.0 |
| Postoperative | 25.56±4.9 | 31.25±3.4 |
| Air-bone gap (dB HL), mean±SE | ||
| Preoperative | 17.25±3.4 | 13.63±3.6 |
| Postoperative | 8.75±2.1 | 11.88±2.2 |
| Tympanoplasty type I:ossiculoplasty | 6:4 | 7:2b) |
| Operation time (hr), mean±SD | 1.65±0.4 | 1.79±0.5 |
| Recurrent:residual disease | 0:0 | 0:0 |
| Mean follow-up period (mo) | 19.75 | 41.05 |
PTA, pure tone average; HL, hearing level; SE, standard error; SD, standard deviation.
a)
Stage according to the classification of Tono et al. [2].
b)
One patient received tympanoplasty without ossiculoplasty (tympanization).