表 1.

585 nm Q开关激光治疗双侧治疗前后IGA评分比较(n=22)

Comparison of IGA scores on the 585 nm Q-switched laser treatment side and the control side(n=22)

Groups	Treatment side IGA score						Control side IGA score					Z 2	P 2
	0	1	2	3	4		0	1	2	3	4
Wilcoxon rank sum test, Z1, comparison of IGA prior treatment and on week 8 of treatment; Z2, comparison of IGA on the treatment side and on the control side. IGA, investigator’s global assesment.
Prior treatment, n	0	1	15	5	1		0	2	15	4	1	0.54	0.59
Week 8 of treatment, n	0	5	16	1	0		0	8	13	1	0	1.13	0.26
Z 1	2.64						2.67
P 1	< 0.01						< 0.01