Table 19. Change of Transepidermal Water Loss(TEWL) between Treatment Group and Control Group in Baseline and 6 weeks(1㎝ below the medial aspect of the elbow)

	Descriptives	V2	V4	Difference	p–value
Control Group	n	24	24	24	0.052a
	Mean±SD	19.747±5.694	21.569±4.971	1.822±4.351
	Median	18.367	20.567	1.500
	Min	13.000	14.667	−9.700
	Max	32.000	33.300	13.034
Treatment Group	n	23	23	23	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		0.856d	0.024d	0.016d

p-value by paired t-test
p-value by Wilcoxon signed rank test
p-value by Independent two-sample t-test
p-value by Mann-Whitney test