Table 1 Demographic Characteristics are shown for all included adolescent idiopathic scoliosis (AIS) and controls.

From: Global sagittal alignment after surgery of right thoracic idiopathic scoliosis in adolescents and adults with and without thoracic hypokyphosis

 

AIS

Controls

Included

Pre-operation

Immediate

Post-operation

1-year

Follow-up

2-year

Follow-up

 

No. of subject

27

27

27

20

36

Age (years)

18.1 ± 4.6

18.2 ± 4.6

19.5 ± 4.7

21.9 ± 4.9

25.1 ± 2.7

Cobb angle (°)

65.4 ± 11.9

21.5 ± 8.2

22.0 ± 9.0

22.6 ± 8.2

–

Correction rate (%)

–

67.7 ± 9.9

67.0 ± 10.5

65.2 ± 10.8

–

Loss of correction (°)

–

–

0.6 ± 9.7

 − 0.3 ± 13.0

–

Normal Thoracic Kyphosis#

20

20

20

16

–

T5-T12 kyphosis (°)

23.6 ± 7.9

–

–

–

 

Age (years)

18.7 ± 5.0

18.8 ± 5.1

20.2 ± 5.2

22.5 ± 5.0

 

Cobb angle (°)

66.3 ± 13.3

22.1 ± 8.8

23.1 ± 9.9

22.6 ± 9.2

–

Correction rate (%)

–

67.2 ± 10.5

65.7 ± 11.3

64.7 ± 11.7

–

Loss of correction (%)

–

–

1.4 ± 10.9

1.3 ± 13.4

–

Thoracic Hypokyphosis#

7

7

7

3

–

T5-T12 kyphosis (°)

1.7 ± 6.6

–

–

–

 

Age (years)

16.4 ± 3.1

16.5 ± 3.1

17.8 ± 2.8

17.1 ± 0.3

 

Cobb angle (°)

62.9 ± 7.6

19.6 ± 6.7

18.9 ± 5.7

22.6 ± 2.1

–

Correction rate (%)

–

69.4 ± 7.7

70.3 ± 6.6

67.9 ± 2.6

–

Loss of correction (%)

–

–

 − 1.6 ± 4.6

 − 9.2 ± 3.6

–

  1. Data expressed as mean ± SD.
  2. #The values are based on the number of subjects, with the percentage in parentheses.
Back to article page