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Table 1 Demographics and preoperative curve characteristics of AIS patients

From: Adolescent idiopathic scoliosis and spinal fusion do not substantially impact on postural balance

ID

Age at surgery (years)

Pre-operative curve characteristics

Spinal fusion (number of fused vertebrae)

Cobb-angle thoracic curve (°)

Lenke-classification

Single (S) / Double(D) curve

1

15.4

47

6

D

T4-L3 (12)

2**

12.7

53

1C

D

T4-L4 (13)

3

12.7

62

1A

S

T5-L1 (9)

4

14.8

54

1A

S

T5-T12 (8)

5

15.8

54

1A

S

T5-T12 (8)

6

11.9

61

1A

S

T5-L1 (9)

7

15.2

52

3C

D

T4-L4 (13)

8

16.1

36

1A

S

T5-T12 (8)

9

12.0

46

1B

S

T4-T12 (9)

10

12.3

55

1A

S

T5-T12 (8)

11

14.7

58

1B

S

T4-T10 (7)

12

14.9

70

3C

D

T3-L4 (14)

13

15.4

54

1A

S

T4-T12 (9)

14

15.6

52

2A

S

T6-L2 (9)

15

15.2

50

1B

S

T5-T12 (8)

16•

18.5

50

3C

D

T5-L4 (12)

17*

16.1

54

3C

D

T4-L3 (12)

18

12.6

71

2A

S

T3-L1 (11)

19

16.5

45

1B

S

T5-T12 (8)

20

13.7

44

1A

S

T5-L2 (10)

21

12.5

58

1A

S

T5-T12 (8)

22*

14.7

49

4C

D

T4-L3 (12)

23

12.3

52

1B

S

T5-L1 (9)

24

14.7

64

3C

D

T5-L3 (11)

25

15.9

42

2A

S

T3-L2 (12)

26

15.5

55

1A

S

T5-L1 (9)

  1. *Lost-to-follow before second measurement
  2. **missed final measurement
  3. •underwent additional surgery after 3 months (extension of fusion from L3 up to L4)