| | Data | Patients with AITD,
| Patients without AITD,
| value |
| Gender,
(%) | Female, 23 (92%) | Female, 111 (64.5%) | 0.005 | | Male, 2 (8%) | Male, 61 (35.5%) |
| Fitzpatrick
skin type,
(%) | III: 7 (28%) | III: 39 (22.7%) | 0.7 | | IV: 16 (64%) | IV: 122 (70.9%) | | V: 2 (8%) | V: 11 (6.4%) |
| | Family history of vitiligo, (%) | 4 (16%) | 45 (25.2%) | 0.27 |
| | Family history of autoimmune diseases, (%) | 7 (28%) | 23 (13.4%) | 0.07 |
| Age of onset,
median (range) | 40 (9–62) | 37 (2–74) | 0.84 |
| Location,
(%) | Hand, 11 (44%) | Hand, 49 (28.5%) | 0.11 | | Head/neck, 10 (40%) | Head/neck, 77 (44.8%) | 0.65 | | Arm, 3 (12%) | Arm, 22 (12.8%) | 1 |
| | Median body surface area involvement (range) | 3% (1–80%) | 2% (0.1–50%) | 0.025 |
| Type of vitiligo,
(%) | Nonsegmental, 25 (100%) | Nonsegmental 140 (81.4%) | 0.017 | | Segmental, 0 (0%) | Segmental, 23 (13.4%) | 0.05 |
| Leukotrichia,
(%) | 18 (72%) | 85 (49.4%) | 0.035 |
| Koebner’s phenomenon,
(%) | IIA: 10 (40%) | IIA: 46 (26.7%) | 0.17 | | IIB: 13 (52%) | IIB: 66 (38.4%) | 0.19 | | III: 0 (0%) | III: 1 (0.58%) | 1 |
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