Table 1: The average melanin levels in the healthy skin and patches of vitiligo in patients, c.u. (M ± SD).

Localisation Melanin levels, c.u.
healthy skin vitiligo patches
Forehead 15.8 ± 4.5 2.4 ± 2.2***
Eyelids 9.2 ± 8.0 1.1 ± 0.6***
Cheeks 11.3 ± 5.6 1.0 ± 0.0***
Lips 12.1 ± 4.6 8.1 ± 5.0*
Neck 12.5 ± 7.7 1.3 ± 0.6***
Breast 5.0 ± 5.4 1.5 ± 2.2**
Axillary areas 13.1 ± 9.0 2.8 ± 4.1***
Back 12.7 ± 11.1 2.4 ± 2.7***
Inguinal folds 13.8 ± 7.8 3.7 ± 4.8***
Brachiums 16.5 ± 12.3 2.0 ± 1.8**
Elbows 17.7 ± 11.2 2.2 ± 2.3***
Forearms 19.0 ± 10.9 3.0 ± 5.1***
The back of brushes 16.7 ± 11.5 1.5 ± 1.3***
Femurs 14.1 ± 10.7 4.8 ± 3.6**
Knees 19.2 ± 7.6 5.5 ± 5.6***
Shins 16.4 ± 10.4 3.3 ± 3.1***
The back of feet 21.7 ± 9.8 3.2 ± 4.0***
Chin 13.7 ± 6.0 10.8 ± 6.9
Buttocks 6.6 ± 7.4 2.7 ± 2.8

Note: * – P < 0.05, **– P < 0.01, *** – P < 0.001

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