Table 1. Demographic information of recruited patients and keloids.

	Experimental group	Control group
Age (years): median	24 (19–41)	24 (21–48)
Gender	15	16
Female	9 (60.0%)	10 (62.5%)
Male	6 (40.0%)	6 (37.5%)
Sites	21	21
Praecordium	15 (71.4%)	14 (66.7%)
Scapula	3 (14.3%)	4 (19.0%)
Abdomen or pubis	1 (4.8%)	2 (9.5%)
Limbs	2 (9.5%)	1 (4.8%)