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Tympanogram type distributions of the left ears.
| Left ears |
Total | |||
|---|---|---|---|---|
| Type A | Type B | Type C | ||
| Control group | 88 | 0 | 0 | 88 |
| 100% | 0% | 0% | 100% | |
| Mild OSA | 41 | 1 | 0 | 42 |
| 97.6% | 2.4% | 0% | 100% | |
| Moderate OSA | 44 | 1 | 0 | 45 |
| 97.8% | 2.2% | 0% | 100% | |
| Severe OSA without CPAP therapy | 25 | 4 | 3 | 32 |
| 78.1% | 12.5% | 9.4% | 100% | |
| Severe OSA with CPAP therapy | 37 | 2 | 1 | 40 |
| 92.5% | 5% | 2.5% | 100% | |
| Total | 235 | 8 | 4 | 247 |
| 95.1% | 3.2% | 1.6% | 100% | |
