Table 12. Hair Number Change Analysis in the PP Population

Item	Visit	Control group(n=29)	Treatment group(n=33)
Number of hair	Baseline	101.69±17.96	107.424±21.603
	8 weeks after use	101.103±18.604	109.909±22.323
	16 weeks after use	100.759±19.173	111.152±21.445
	24 weeks after use	98.241±17.404	111.545±21.474
Improvement rate※	Baseline - after 8 weeks of use	-0.677±2.938	2.366±3.971
	Baseline - after 16 weeks of use	-1.077±3.313	3.753±4.808
	Baseline - after 24 weeks of use	-3.359±3.154	4.081±3.829
Intra-group comparison	Baseline - after 8 weeks of use	1.000**b	0.002***b
	Baseline - after 16 weeks of use	1.000***b	0.000***b
	Baseline - after 24 weeks of use	0.000***b	0.000***b
Comparison between groups	whole period	0.000***a
	8 weeks after use	0.099
	16 weeks after use	0.050
	24 weeks after use	0.010*b

p<0.05,
p<0.01,
p<0.001
Improvement rate (%)=[(average value after n weeks of use—average value before use) / average value before use]×100
Repeated measures ANOVA, Group × Time interaction
Repeated measures ANOVA, post hoc Bonferroni correction