TABLE 4.
Correlation between dysphonia recovery time and VFNs laryngoscopic morphology.
| Characteristics | No. (%) | Means of recovery time | χ2 | P-value |
| Age (months) | ||||
| ≤12 | 2 (1.03%) | 1.250 ± 0.750 | 14.676 | 0.002 |
| >12∼≤36 | 22 (11.34%) | 8.023 ± 0.898 | ||
| >36∼≤72 | 109 (56.19%) | 8.452 ± 0.410 | ||
| >72 | 61 (31.44%) | 8.027 ± 0.549 | ||
| Sex | ||||
| Male | 140 (72.16%) | 8.374 ± 0.367 | 0.367 | 0.545 |
| Female | 54 (27.84%) | 7.736 ± 0.556 | ||
| Duration of dysphonia (month) | ||||
| ≤1 | 7 (3.61%) | 6.571 ± 1.664 | 8.577 | 0.035 |
| >1∼≤6 | 70 (36.08%) | 7.388 ± 0.544 | ||
| >6∼≤12 | 46 (23.71%) | 7.673 ± 0.667 | ||
| ≥12 | 71 (36.60%) | 9.495 ± 0.307 | ||
| Companion diseases | ||||
| Allergic rhinitis | ||||
| Yes | 42 (21.65%) | 8.404 ± 0.651 | 0.120 | 0.729 |
| No | 152 (78.35%) | 8.144 ± 0.350 | ||
| Chronic sinusitis | ||||
| Yes | 7 (3.61%) | 6.786 ± 1.684 | 0.746 | 0.388 |
| No | 187 (96.39%) | 8.254 ± 0.312 | ||
| Laryngopharyngeal reflux | ||||
| Yes | 8 (4.12%) | 7.216 ± 1.788 | 0.001 | 0.978 |
| No | 186 (95.88%) | 8.242 ± 0.311 | ||
| Vocal nodule size grade | ||||
| 1 | 76 (39.18%) | 6.032 ± 0.502 | 32.912 | 0.000 |
| 2 | 69 (35.57%) | 9.642 ± 0.409 | ||
| 3 | 49 (25.26%) | 9.499 ± 0.568 | ||
| Vocal nodule contour | ||||
| Sessile | 100 (51.55%) | 5.697 ± 0.401 | 75.198 | 0.000 |
| Discrete | 94 (48.45%) | 10.776 ± 0.289 | ||
| The level of maturity of the nodule | ||||
| Immature | 90 (46.39%) | 5.328 ± 0.405 | 97.737 | 0.000 |
| Mature | 104 (53.61%) | 10.648 ± 0.282 |
Data were presented by Mean ± SD and Kaplan-Meier test. P-value < 0.05 was considered significant.