Table 3.
Number and Percent of Ears that Referred Hearing Screening Tests at Individual Frequencies at 10, 15, 20, and 25 dB HL (with Confidence Intervals). Data are presented for failures at each frequency, failures within subsets of the frequencies, and failures at any of the 8 test frequencies.
| > 10 dB HL | > 15 dB HL | > 20 dB HL | > 25 dB HL | |||||
|---|---|---|---|---|---|---|---|---|
| Frequency | n | % (CI) | n | % (CI) | n | % (CI) | n | % (CI) |
| 0.25 kHz | 29 | 25.9 (14.4,37.4) | 8 | 7.1 (0.4,13,9) | 3 | 2.7 (0,6.9) | 0 | 0 |
| 0.50 kHz | 35 | 31.3 (19.1,43.4) | 6 | 5.34 (0,11.3) | 2 | 1.78 (0,5.2) | 0 | 0 |
| 1 kHz | 20 | 17.9 (7.8,27.9) | 4 | 3.56 (0,8.4) | 0 | 0 | 0 | 0 |
| 2 kHz | 36 | 32.1 (19.9,44.4) | 11 | 9.8 (2,17.6) | 3 | 2.7 (0,6.9) | 2 | 1.78 (0,5.2) |
| 3 kHz | 23 | 20.5 (0,105.4) | 8 | 7.14 (0.4,13.9) | 1 | 0.90 (0,3.4) | 1 | 0.89 (0,3.3) |
| 4 kHz | 25 | 22.3 (11.4,33.2) | 9 | 8.0 (0.9,15.2) | 2 | 1.8 (0,5.2) | 1 | 0.89 (0.3.3) |
| 6 kHz | 31 | 27.7 (16,39.4) | 11 | 9.8 (2,17.6) | 5 | 4.5 (0,9.9) | 3 | 2.68 (0,6.9) |
| 8 kHz | 11 | 9.8 (2.0,17.6) | 7 | 6.3 (0.12.6) | 5 | 4.46 (0,9.9) | 3 | 2.68 (0,6.9) |
| 0.5, 1, 2, or 4 kHz | 59 | 52.68 (39.6,65.8) | 22 | 19.64 (9.2,30) | 6 | 5.36 (0,11.3) | 4 | 3.57 (0.8.4) |
| 3, 4, or 6 kHz | 48 | 42.85 (29.9,55.8) | 18 | 16.07 (6.5,25.7) | 7 | 6.25 (0,12.6) | 4 | 3.57 (0,8.4) |
| 0.25, 0.5, 1, 2, 3, 4, 6, or 8 kHz | 76 | 67.86 (55.6,80.1) | 28 | 25 (13.7,36.3) | 13 | 11.61 (3.2,20) | 8 | 7.14 (0,13.9) |