Table 3.
Frequency of abnormal response amplitude of OAEs in each ear in different frequencies considering smoking status
| Frequency (Hz) | Abnormal response amplitude, number (%) | Odds ratio | 95% CI* | P value | ||
|---|---|---|---|---|---|---|
| Smoker | Nonsmoker | |||||
| 1000 | RE** | 2 (1.9) | 0 (0) | 0.45 | 0.39-0.52 | 0.21 |
| LE*** | 3 (2.8) | 1 (0.8) | 0.27 | 0.03-2.68 | 0.33 | |
| 2000 | RE | 6 (5.7) | 4 (3.4) | 0.55 | 0.15-1.99 | 0.52 |
| LE | 6 (5.7) | 5 (4.2) | 0.68 | 0.20-2.33 | 0.55 | |
| 3000 | RE | 33 (31.4) | 19 (15.9) | 0.38 | 0.20-0.73 | 0.004 |
| LE | 34 (32.4) | 10 (8.4) | 0.17 | 0.08-0.38 | <0.001 | |
| 4000 | RE | 76 (72.4) | 26 (21.8) | 0.08 | 0.04-0.15 | <0.001 |
| LE | 69 (65.7) | 24 (20.2) | 0.11 | 0.06-0.20 | <0.001 | |
| 6000 | RE | 92 (87.6) | 85 (71.4) | 0.15 | 0.06-0.41 | <0.001 |
| LE | 95 (90.5) | 84 (70.6) | 0.06 | 0.01-0.24 | <0.001 | |
| 8000 | RE | 77 (73.3) | 31 (26.1) | 0.09 | 0.05-0.18 | <0.001 |
| LE | 70 (66.6) | 44 (36.9) | 0.24 | 0.13-0.44 | <0.001 | |
*CI = Confidence interval, **RE = Right ear, ***LE = Left ear