| Apnoea-hypopnoea index | Without hypertrophy (n = 8) | p | Hypertrophy of 2 - 3 degree (n = 9) |
| Median | 3.9 ± 4.4 (0.0 - 27.5) | >0.05 | 6.7 ± 9.0 (0.4 - 13.3) |
| Norm | 37.5% |
| 44.5% |
| Slightly above the norm | 25.0% |
| 22.2% |
| Moderately above the norm | 25.0% |
| 22.2 |
| Significantly higher than the norm | 12.5% |
| 11.1 |