Table 1 Characteristics of hearing loss across participants seen for follow-up by audiologist at preschools (n = 240)
Characteristics | Bilateral % (n) | Unilateral % (n) | All losses % (n) |
|---|---|---|---|
Hearing Loss | |||
 No signs of external or middle ear abnormality | 64.4% (67/104) | 35.6% (37/104) | 43.3% (104/240) |
 External or middle ear abnormality | 64.7% (88/136) | 35.3% (48/136) | 56.7% (136/240) |
 All hearing losses | 64.6% (155/240) | 35.4% (85/240) | 100% (240/240) |
Degree of HL according to the worst ear | |||
 Mild (25–40 dB HL) | 63.6% (84/132) | 36.4% (48/132) | 55.0% (132/240) |
 Moderate (41–60 dB HL) | 66.3% (57/86) | 33.7% (29/86) | 35.8% (86/240) |
 Severe (61–80 dB HL) | 27.3% (3/11) | 72.7% (8/11) | 4.6% (11/240) |
 Profound (81 dB HL or greater) | 100% (11/11) | 0 | 4.6% (11/240) |