Table 2: Correlation (r) between melanin levels in vitiligo patches and duration of disease in patients.

Localisation The correlation coefficient (r) with a duration of disease
Forehead -0.89*
Eyelids -0.14
Lips -0.07
Chin 0.14
Neck 0.15
Breast -0.08
Axillary areas 0.08
Back -0.33
Buttocks 0.05
Inguinal folds 0.02
Brachiums -0.32
Elbows -0.35
Forearms -0.06
The back of brushes -0.13
Femurs 0.12
Knees -0.21
Shins -0.16
The back of feet -0.02

Note: * – P < 0.05

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