Table 15. Change of Transepidermal Water Loss(TEWL) in Treatment Group between 3 weeks and 6 weeks(1㎝ below the medial aspect of the elbow)

Descriptives	V3	V4	Difference	t or V	p–value
n	23	23	23	41	0.010b
Mean±SD	19.551±4.296	18.422±4.555	−1.129±2.900
Median	18.267	16.900	−0.533
Min	13.667	9.667	−8.400
Max	28.867	28.767	6.334

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