Table 4.
Type, degree, and technology utilized by children who are deaf and hard of hearing (N = 5,748).
| Parameters | N (%) |
|---|---|
| Type of hearing loss | |
| Bilateral | |
| Sensorineural | 3,751 (74) |
| Auditory neuropathy | 179 (4) |
| Mixed | 140 (3) |
| Conductive | 209 (4) |
| Normal | 14 (< 1) |
| Unknown | 64 (1) |
| Unilateral | |
| Sensorineural | 330 (6) |
| Auditory neuropathy | 23 (< 1) |
| Mixed | 27 (1) |
| Conductive | 195 (4) |
| Unknown | 20 (< 1) |
| Asymmetrical | 146 (3) |
| Missing | 650 (11) |
| Degree of hearing loss | |
| Bilateral | |
| Normal (< 15 dB HL) | 18 (< 1) |
| Slight (15–25 dB HL) | 38 (< 1) |
| Mild (26–40 dB HL) | 337 (7) |
| Moderate (41–55 dB HL) | 544 (11) |
| Moderately severe (56–70 dB HL) | 410 (8) |
| Severe (71–90 dB HL) | 331 (7) |
| Profound (> 90 dB HL) | 1,559 (31) |
| Unilateral | |
| Slight (15–25 dB HL) | 18 (< 1) |
| Mild (26–40 dB HL) | 57 (1) |
| Moderate (41–55 dB HL) | 124 (2) |
| Moderately severe (56–70 dB HL) | 143 (3) |
| Severe (71–90 dB HL) | 93 (2) |
| Profound (> 90 dB HL) | 106 (2) |
| Asymmetrical | 1,308 (26) |
| Missing | 662 (12) |
| Technology at initial assessment | |
| No technology | 454 (9) |
| Bilateral | |
| Hearing aids | 2,433 (47) |
| Cochlear implants | 1,017 (20) |
| Softband BAHD | 77 (1) |
| Hearing aid and Cochlear implant (bimodal) | 405 (8) |
| Other | 4 (< 1) |
| Unilateral (technology in only one ear) | |
| Hearing aids | 273 (5) |
| Cochlear implants | 237 (5) |
| Softband BAHD | 220 (4) |
| Other | 16 (< 1) |
| Other technologies | 27 (1) |
| Missing | 585 (10) |
Note. BAHD = bone anchored hearing device.