Table 1.

Characteristics of 141 patients with AIS in the study

	Changed	Unchanged	P value
N	39	102
At initial
Age (years)	12.7 ± 1.3	13.0 ± 1.5	0.242
Cobb angle(°)	30.1 ± 4.8	29.8 ± 4.4	0.789
Months after menarche	0.0 ± 0.8	0.3 ± 0.7	0.019*
At termination
Age (years)	15.7 ± 1.4	15.5 ± 1.4	0.678
Cobb angle(°)	31.2 ± 6.9	29.4 ± 9.1	0.249
Months after menarche	31.6 ± 7.4	32.3 ± 8.7	0.632
Correction of the cobb angle	1.2 ± 7.0	−0.5 ± 7.4	0.233

* Statistically significant