Table 1. Descriptive and clinical presentation of vitiligo patients (n=381).
| Presentation | Value |
|---|---|
| Age (yr) | 24 (0.6~76) |
| Age at onset of vitiligo (yr) | 13 (0.5~72) |
| Gender | |
| Male | 237 (62.2) |
| Female | 144 (37.8) |
| Disease duration (yr) | 7.0 (0.5~66) |
| Type of vitiligo | |
| Focal | 92 (24.1) |
| Segmental | 8 (2.1) |
| Acrofacial | 72 (18.9) |
| Vitiligo Vulgaris | 152 (39.9) |
| Mucosal | 6 (1.6) |
| Mixed | 51 (13.4) |
| Site of onset* | |
| Face | 142 (37.3) |
| Neck | 23 (6.0) |
| Upper limb | 68 (17.8) |
| Lower limb | 134 (35.2) |
| Chest and abdomen | 29 (7.6) |
| Back | 18 (4.7) |
| Lip tip | 18 (4.7) |
| Scalp | 11 (2.9) |
| Genital | 27 (7.1) |
| Fingers | 34 (8.9) |
| Halo nevi | |
| None | 345 (90.6) |
| One | 34 (8.9) |
| More than one | 2 (0.5) |
| Positive family history of vitiligo | 178 (46.7) |
| Positive family history of premature grey hair | 47 (12.3) |
| Positive personal history of autoimmune disease | 39 (10.2) |
| Total BSA (%) | 1.4 (0.01~100) |
| Initial lesion | |
| Single | 227 (59.6) |
| Multiple | 154 (40.4) |
| Leukotrichia | 119 (31.2) |
| Associated diseases | |
| Atopic dermatitis | 25 (6.6) |
| Asthma | 33 (8.7) |
| Thyroid | 16 (4.2) |
| IDDM | 3 (0.8) |
| NIDDM | 12 (3.1) |
| Alopecia | 5 (1.3) |
| Pernicious anemia | 1 (0.3) |
| Others | 13 (3.4) |
| None | 273 (71.7) |
| Koebner phenomenon | |
| Yes | 107 (28.1) |
| No | 274 (71.9) |
Values are presented as median (range) or number (%). BSA: body surface area, IDDM: insulin dependent diabetes mellitus, NIDDM: non-insulin dependent diabetes mellitus. *Not mutually exclusive.