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Table 1 Clinical results

From: Radiological assessment of shoulder balance following posterior spinal fusion for thoracic adolescent idiopathic scoliosis

 

All cases

Single thoracic

Double thoracic

P-value*

PT Preop (°)

33.0

28.5

43.9

0.0003

Postop (°)

16.1

14.8

19.3

0.09

Postop PTC (%)

50.5

48.1

56.2

0.14

Final follow-up (°)

16.8

15.1

21.4

0.02

Final follow-up PTC (%)

49.0

48.0

51.2

0.50

MT Preop (°)

49.5

61.1

71.7

0.04

Postop (°)

16.8

16.3

17.9

0.36

Postop MTC (%)

74.0

73.3

75.5

0.25

Final follow-up (°)

19.2

18.9

19.9

0.90

Final follow-up PTC (%)

70.3

69.4

72.5

0.31

RSH Preop (mm)

−12.7

−14.8

−6.3

0.39

Postop (mm)

+11.1

+12.4

+6.7

0.55

Final follow-up (mm)

+5.7

+5.1

+7.1

0.39

T1 tilt Preop (°)

−1.8

−3.4

+2.1

0.01

Postop (°)

+4.8

+3.8

+7.3

0.06

Final follow-up (°)

+3.3

+2.2

+6.0

0.09

PTC:MTC ratio Postop

0.68

0.65

0.74

0.18

  1. *Statistical analysis was performed to compare the single thoracic pattern (Lenke type 1 or 3) with the double thoracic pattern (Lenke type 2) using the Wilcoxon rank-sum test.