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| Degree of DHI | Number (precentage) |
|---|---|
| Normal (<30dB) | 17 (33.3) |
| Mild (31–40dB) | 19 (37.3) |
| Moderate (41–60dB) | 13 (25.5) |
| Severe (61–80dB) | 2 (3.9) |
| Profound (>81dB) | 0 (0) |
| Total | 51 (100.0) |
DHI: disabling hearing impairment; CSOM: chronic suppurative otitis media; dB= decibel (hearing level measurement).
