Table 4. Comparison between the cured (n=27) and unattained groups (n=40).

	Cured	Unattained	p-value
Age at the first treatment (yr)	6.0 (2.3~16.0)	6.5 (2.8~20.8)	0.682*
Treatment frequency	19.0 (10.0~23.0)	10.0 (6.25~13.75)	0.001*
Number of laser modalities	1.0 (1.0~2.0)	1.0 (1.0~3.0)	0.084*
Three-point severity scale (mild/moderate/severe)	12/13/2	16/17/7	0.493†
Eyelid involvement	16 (59.3)	29 (72.5)	0.258†
Cryotherapy	1	2
Topical hydroquinone	5	9

Values are presented as median (interquartile range), number only, or number (%). ^*Mann-Whitney U-test and ^†χ² test were conducted for the analysis.