Table 7. Change of Transepidermal Water Loss(TEWL) between Baseline and 6 weeks(1㎝ below the medial aspect of the elbow)

Descriptives	V2	V4	Difference	t or V	p–value
n	23	23	23	108.5	0.378b
Mean±SD	19.245±5.227	18.422±4.555	−0.823±2.992
Median	16.767	16.900	-0.300
Min	11.300	9.667	−9.333
Max	33.267	28.767	3.400

p-value by paired t-test
p-value by Wilcoxon signed rank test