Table 20. Change of Transepidermal Water Loss(TEWL) between Treatment Group and Control Group in Baseline and 6 weeks(Center between the medial aspect of the elbow and the wrist)

	Descriptives	V2	V4	Difference	p–value
Control Group	n	24	24	24	0.004^b
	Mean±SD	13.795±3.840	15.824±4.242	2.029±3.960
	Median	13.783	15.200	1.051
	Min	8.067	8.667	−2.467
	Max	24.933	27.767	17.400
Treatment Group	n	23	23	23	0.048^b
	Mean±SD	14.712±3.866	13.003±3.449	−1.709±4.306
	Median	14.000	12.767	−0.966
	Min	6.700	5.200	−15.300
	Max	26.500	20.767	5.966
p–value		0.371^d	0.016^d	0.001^d

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