TABLE 3.
Correlation between dysphonia recovery time and clinical factors.
| Characteristics | No. (%) | Means of recovery time | χ2 | P-value |
| Age (months) | ||||
| ≤12 | 9 (2.08%) | 1.814 ± 0.730 | 34.507 | 0.000 |
| >12∼≤36 | 79 (18.29%) | 4.956 ± 0.533 | ||
| >36∼≤72 | 201 (46.53%) | 7.582 ± 0.333 | ||
| >72 | 143 (33.10%) | 7.329 ± 0.392 | ||
| Sex | ||||
| Male | 294 (68.06%) | 6.515 ± 0.400 | 0.933 | 0.334 |
| Female | 138 (31.94%) | 7.118 ± 0.284 | ||
| Duration of dysphonia (month) | ||||
| ≤1 | 86 (19.91%) | 2.937 ± 0.430 | 115.549 | 0.000 |
| >1∼≤6 | 147 (34.03%) | 6.485 ± 0.382 | ||
| >6∼≤12 | 97 (22.45%) | 7.930 ± 0.467 | ||
| ≥12 | 102 (23.61%) | 9.784 ± 0.339 | ||
| Companion diseases | ||||
| Allergic rhinitis | ||||
| Yes | 116 (26.85%) | 7.567 ± 0.434 | 2.734 | 0.098 |
| No | 316 (75.15%) | 6.688 ± 0.274 | ||
| Chronic sinusitis | ||||
| Yes | 15 (3.47%) | 6.500 ± 1.167 | 0.183 | 0.669 |
| No | 417 (96.53%) | 6.941 ± 0.236 | ||
| Laryngopharyngeal reflux | ||||
| Yes | 19 (4.40%) | 7.053 ± 1.112 | 0.168 | 0.682 |
| No | 413 (95.60%) | 6.920 ± 0.237 |
Data were presented by Mean ± SD and Kaplan-Meier test. P-value < 0.05 was considered significant.