Table 4. Intergroup comparison for each self-care check item (3 months after support).

Self-care check item	Control group		Intervention group	Significance
	Median (lowest to highest)		Median (lowest to highest)
Selecting clothes	2 (1~4)		4 (1~4)
Selecting shoes	1 (1~4)		4 (1~4)	***
Lower limb elevation	3 (2~4)		4 (2~4)
Observation of edema	4 (1~4)		4 (2~4)	**
Cleanliness of skin	4 (4)		4 (4)
Maintenance of skin	4 (1~4)		4 (4)
Moisturization	4 (2~4)		4 (4)	**
Self-drainage	2 (1~4)		4 (4)	***
Elastic clothing	1 (1~4)		4 (2~4)	***
Bandage	1 (1)		3 (1~4)	***

Wilcoxon signed rank test. *P < 0.05, **P < 0.01, ***P < 0.005.