Table 1 Demographics

Age

12.5 ± 1.4

12.8 ± 1.0

12.2 ± 1.6

0.09

Follow up time (year)

3.0 ± 1.4

3.9 ± 1.2

2.0 ± 0.9

 < 0.01

Sex (M/F)

9/49

4/26

5/23

N.A

Cobb angle (degree)

 First visit

18.7 ± 4.5

18.6 ± 4.1

18.8 ± 4.9

0.87

 Last visit

25.7 ± 8.6

19.1 ± 5.4

32.8 ± 4.9

 < 0.01

 Increament

6.8 ± 7.1

0.5 ± 2.8

13.6 ± 2.5

 < 0.01

Lumbar lordosis (degree)

 First visit

43.8 ± 11.0

41.4 ± 12.3

46.4 ± 10.8

0.10

Thoracic kyphosis (degree)

 First visit

20.7 ± 9.4

20.3 ± 9.4

21.2 ± 9.5

0.75

Risser sign

 Grade 0

12 (20.7%)

4 (13.3%)

8 (28.6%)

0.49

 Grade 1

15 (25.9%)

9 (30%)

6 (21.4%)

 Grade 2

8 (13.8%)

6 (20%)

2 (7.14%)

 Grade 3

9 (15.5%)

5 (16.7%)

4 (14.3%)

 Grade 4

11(19%)

5 (16.7%)

6 (21.4%)

 Grade 5

3 (5.1%)

1 (3.3%)

2(7.14%)

Pre-menarche patients

20 (34.4%)

6 (20.0%)

14 (60.8%)

0.002

Month scince menarche

21.5 ± 13.3

21.7 ± 14.2

21.0 ± 11.4

0.89