Depth and shape of audiometric notches identified by at least two assessors
| Depth (dB) | Shape of notch | Two of three assessors agree (n) |
All agree (n) |
Total of all notches (n (%)) |
| 1–15 | Narrow | 42 | 7 | 49 (19) |
| Wide | 12 | 2 | 14 (6) | |
| 16–30 | Narrow | 42 | 28 | 70 (28) |
| Wide | 35 | 18 | 53 (21) | |
| ⩾31 | Narrow | 8 | 25 | 33 (13) |
| Wide | 11 | 24 | 35 (14) | |
| Total | 150 | 104 | 254 |