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Table 2 Comparison of Radiological Parameters between Age Groups

From: Perioperative outcome and complications following single-staged Posterior Spinal Fusion (PSF) using pedicle screw instrumentation in Adolescent Idiopathic Scoliosis (AIS): a review of 1057 cases from a single centre

Radiological; mean ± SD

Age 10–18

Age 19–30

Total

Mean difference

p-value

Major thoracic

 n (%)

663 (62.7)

136 (12.9)

798 (75.6)

  

 Preoperative (°)

68.4 ± 18.2

65.4 ± 15.9

67.9 ± 17.8

3.0 ± 1.7

0.08

 Postoperative (°)

23.6 ± 11.8

26.0 ± 13.2

24.0 ± 12.1

2.4 ± 1.1

0.04

 Correction rate (%)

66.1 ± 11.6

61.6 ± 11.7

65.3 ± 11.7

4.5 ± 1.1

0.00

Major thoracolumbar/ lumbar

 n (%)

220 (20.8)

38 (3.6)

258 (24.4)

  

 Preoperative (°)

61.7 ± 12.9

65.5 ± 18.4

62.3 ± 13.9

3.8 ± 3.1

0.23

 Postoperative (°)

19.8 ± 9.9

27.0 ± 14.9

20.8 ± 11.0

7.2 ± 2.5

0.01

 Correction rate (%)

68.5 ± 13.1

60.9 ± 13.1

67.4 ± 13.4

7.6 ± 2.3

0.00

  1. Values are expressed in mean ± SD