immunohistochemical data MASI Scoring Mild/Moderate Severe r. 0.362 0.421 p. value 0.010 0.013* immunohistochemical data VASI scoring Mild/Moderate Severe r. -0.269 -0.288 p. value 0.042 0.037* P value ≤ 0.05 (significant difference)

Table 4: Correlation between the intensity of c-kit expression in melasma groups regarding to modified MASI score and vitiligo groups regarding to VASI score.