| VV | ND | |
| (n = 79) | (n = 6) | |
| Gender | ||
| Male | 35 | 2 |
| Female | 44 | 4 |
| Age of the 1st visit, years (range) | 4.5 (0 - 15) | 3.0 (0 - 6) |
| Age of disease notification, years (range) | 4.3 (0 - 15) | 0.8 (0 - 3) |
| Comorbidity | atopic dermatitis: 9 | none |
| asthma: 5 | ||
| TPO-Ab positive: 1 | ||
| FT3 high: 1 | ||
| Course of clinical feature | ||
| Complete or partial repigmentation | 58 | 0 |
| No change | 8 | 6 |
| Disease progression | 7 | 0 |
| Unevaluable | 6 |