Table 13. Change of Skin Hydration 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	270	0.000b
Mean±SD	37.991±9.140	45.100±10.089	7.109±7.771
Median	37.100	46.000	4.866
Min	21.367	28.167	−3.633
Max	60.367	65.233	33.466

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