Table.1 Demographic data, deformity and surgical features in two staged surgery for complex congenital scoliosis

1

8

M

T5 HV(SS);T2-4 bloc vertebra

2-3rd,5-6th fused rib in concave side; Sprengel deformity

11

101

T5 HVR

T2 Y-shaped osteotomy

T4-7

T1-3

78 − 16

40 − 5

79.5 %

87.5 %

2

5

M

T8 HV(SS)with contralateral bar; FS: T7-10

8-10th fused rib; 9th bifid rib

57

37

T8 Y-shaped osteotomy

T9 Y-shaped osteotomy

T6-11

T6-12

49 − 18

48 − 14

63.3 %

70.8 %

3

4

F

T6 HV(SS); FS:T5-9

28

52

T6 HVR

T7 Y-shaped osteotomy

T5-7

T5-10

50 − 24

40 − 10

78.5 %

75.0 %

4

9

F

T7-8, T10-12bloc vertebra; BFV:T8,11

7-8th fused rib in concave side

SCM: type I and II; Low conus:L3

36

18

T9 Y-shaped osteotomy

T10 Y-shaped osteotomy

T7-11

T7-L2

65 − 14

42 − 10

58.2 %

76.2 %

5

4

F

T10,12 HV(FS)

T11-L5 bifid spine; 9th bifid rib in concave side

36

24

T12 HVR,T10 hemivertebrapartial resection

T11 Y-shaped osteotomy

T8-L3

T8-L3

91 − 30

51 − 26

60.4 %

49.0 %

6

8

F

T5/6 HV(SS);

WV:T5,6;Lamina fused:T3-4, T6-8

4th bifid rib in concavity;

5-6th fused ribs in convexity;

Low conus(L5)

41

18

T5/6 HVR

T6 Y-shaped osteotomy

T4-8

T3-9

48 − 26

46 − 18

46.5 %

60.9 %

7

10

F

T5,9 HV(FS)

24

36

T5,9 HVR

T4,8 Y-shaped osteotomy

T4-6,T8-10

T2-12

56 − 20

72 − 6

64.3 %

91.7 %

8

7

F

T11,L1 HV(FS);

L4 HV(SS)

38

29

T11,L1 HVR

L2 Y-shaped osteotomy

T10-L3

T8-L5

93 − 41

57 − 14

56.1 %

76.1 %

9

10

F

T8 HV(SS)with contralateral bar; FS:T5-9

7-10th fused rib with chest wall defect; Syringomyelia in thoracic spine

26

28

T8 Y-shaped osteotomy

T9 Y-shaped osteotomy

T6-10

T4-L1

68 − 28

45 − 22

58.8 %

51.1 %

10

2.5

M

T12 HV(FS);

T11 WV

12

30

T12 HVR

T11 Y-shaped osteotomy

T10-L2

T8-L2

93 − 10

56 − 9

89.0 %

83.9 %

11

5

M

T6 HV(SS); T10 BFV, FS:T2-3,T4-5

3-6th fused rib; SCM: type I; Low conus:L3

88

24

T6 HVR

T9 Y-shaped osteotomy

T3-9

T4-L3

50 − 14

63 − 24

72.8 %

62.0 %