Table 2 Demographic comparison between subgroups in the MISS group

Sex (M:F)

7:0

19:2

12:3

0.379^†

Age (years)

15.4 ± 1.8^a

15.9 ± 2.2^a

15.6 ± 2.0^a

0.872

Height (cm)

161.1 ± 5.5^a

160.7 ± 4.7^a

159.0 ± 5.5^a

0.729

Weight (kg)

52.2 ± 8.5^a

48.9 ± 7.3^a

45.9 ± 8.6^a

0.362

BMI

20.2 ± 3.1^a

19.0 ± 2.8^a

18.2 ± 3.2^a

0.450

 1

1

2

2

0.848^†

 2

1

4

4

 3

4

9

5

 4

0

5

2

 5

1

1

2

 1

3

12

3

0.307^†

 2

1

1

1

 3

1

2

5

 4

0

0

0

 5

2

5

3

 6

0

1

3

Risser Grade

3.6 ± 1.4^a

4 ± 1.3^a

3.5 ± 1.5^a

0.715

Fusion levels (n)

11.8 ± 1.3^a

11 ± 1.0^a

12.3 ± 1.1^a

0.070

Infections

2

0

0

0.020

Preoperative Cobb’s (⁰)

65.9 ± 17.1^a

61.2 ± 8.7^a

65.6 ± 11.7^a

0.462

Postoperative Cobb’s (⁰)

24.9 ± 6.6

24.9 ± 9.4

27.4 ± 7.7

0.633

Final Cobb’s (⁰)

25.2 ± 9.0

24.5 ± 10.4

29.5 ± 8.4

0.291