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Information on matched PWA-control pairs. 4 F-PTA = four-frequency pure tone average, or the average of pure tone thresholds at 500 Hz, 1 kHz, 2 kHz, and 4 kHz.
| Sex | Age | 4F-PTA (left ear) | 4F-PTA (right ear) | |
|---|---|---|---|---|
| PWA1 | M | 54 | 15.0 | 12.5 |
| PWA2 | M | 53 | 25.0 | 17.5 |
| PWA3 | F | 61 | 9.4 | 8.8 |
| PWA4 | F | 56 | 15.6 | 13.8 |
| PWA5 | M | 67 | 32.5 | 32.5 |
| Average: | 58.2 | 19.5 | 17.0 | |
| C1 | F | 56 | 11.0 | 16.3 |
| C2 | F | 56 | 21.0 | 28.8 |
| C3 | M | 62 | 9.4 | 8.8 |
| C4 | M | 56 | 6.9 | 5.0 |
| C5 | M | 64 | 11.3 | 8.8 |
| Average: | 58.8 | 11.9 | 13.5 |
