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Age and sex distribution of cases (N = 50) and healthy volunteer
| Age range (years) | Cases of CRF (50) | Healthy volunteers (50) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| SNHL | No SNHL | Total | SNHL | No SNHL | Total | |||||
| M | F | M | F | M | F | M | F | |||
| 15–30 | 2 | 3 | 7 | 5 | 17 | – | – | 8 | 6 | 14 |
| 31–45 | 5 | 1 | 16 | 2 | 24 | 2 | – | 15 | 8 | 25 |
| 46–60 | 3 | – | 5 | 1 | 9 | – | 1 | 6 | 4 | 11 |
| 15–60 | 10 | 4 | 28 | 8 | 50 | 2 | 1 | 29 | 18 | 50 |
