Research Article

Anti-Thyroid Peroxidase Antibody in Vitiligo: A Prevalence Study

Table 2

Sample characteristics of study participants according to anti-TPO Ab status.

Anti-TPO Ab status
Sl. numberCharacteristic variablePositiveNegative value
(>35 IU/mL)(<35 IU/mL)

1Number of participants2872
2Number of male, female participants8, 2033, 390.115
3Age#34.50 ± 13.9927.54 ± 15.020.037*
4Reported age at onset of vitiligo24.59 ± 15.4624.88 ± 15.830.982
5Duration since first lesion of vitiligo5.19 ± 6.634.42 ± 5.850.700
6Positive history of vitiligo in family (%)10.7113.891.000
7Positive history of precipitating factors (%)17.864.170.037*
8Stable vitiligo [VIDA Score ≤ 0]3.5719.440.222
9Vitiligo type (segmental) (%)3.574.17 1.000
10VASI <1.00 (%)32.1418.060.376
11Vitiligo variants (quadrichrome and trichrome) (%)17.869.720.308
12Koebner’s phenomenon present (%)10.712.780.132
13Leukotrichia present (%)14.2913.891.000
14Associated dermatological disorders (%)7.1404.170.617
15Associated systemic disorder (%)05.560.574
16Associated nonthyroid autoimmune disorder (%)7.1400.076
17Serum TSH titres (μIU/mL)11.31 ± 41.032.67 ± 2.270.514
18Euthyroid (%)75.0087.500.139

Mean ± standard deviation; median in years.
Statistically significant ( < 0.05).