Evaluation of the Efficacy of Topical Tetracycline in Enhancing the Effect of Narrow Band UVB against Vitiligo: A Double-Blind, Randomized, Placebo-Controlled Clinical Trial

Table 2

Mean scores of pigmentation based on VASI (medication and placebo sides).

	Mean pigmentation	𝑁	Std. deviation
Before med.	90.1667	30	12.69560
After med.	86.6667	30	14.87496
Before placebo	89.6667	30	15.97052
After placebo	86.8333	30	17.24486