Melasma group (NO=20) Vitiligo group (NO=20) Healthy controls (NO=20) X2 or t-test p value
Average age (year, mean ± SD) 33.3 ± 6.3 27.7 ± 12.99 28.00 ± 11.61 1.635 0.099
Male/Female 0/20 14/6 13/7 1.203 0.120
Duration (year, mean ± SD) 3.10 ± 0.52 4.73 ± 4.47 - 0.635 0.523
Clinical types Malar/centrofacial 9/11 Focal/ generalized/ acrofacial 2/15/3 - 2.325 0.042*
With/without family history +ve/-ve 13/7 3/17 - 10.42 0.017*
Table 1: Clinical data of studied patients and controls.