Table 2 Preoperative and postoperative radiographic data and comparison of preoperative and postoperative curve corrections.

From: Association between preoperative proximal thoracic curve flexibility and postoperative spontaneous correction in Lenke type 1 adolescent idiopathic scoliosis: a retrospective study

 

Mean (degree)

SD

Range (min/max)

Median (degree)

IQR (25%/75%)

Shapiro–wilk test

W

P value

PT curve

Preop

24.7

7.19

2/37

26

21/29.5

0.941

0.009

SB

16.3

6.28

1/25

17

13/21.5

0.933

0.004

FB

14.3

6.09

5/30

14

9.5/17

0.938

0.015

TR

21.0

5.83

3/32

22

18.25/24

0.943

0.013

PO1M

16.4

4.99

3/30

17

13.5/19.5

0.985

0.724

PO2Y

16.3

6.20

1/36

17

13.5/19.5

0.967

0.149

MT curve

Preop

53.4

5.85

40/67

53

50/57

0.984

0.702

SB

27.3

8.19

5/42

29

22.5/32

0.971

0.209

FB

18.7

8.23

0/37

18.5

12.25/24.75

0.988

0.871

TR

32.5

5.85

19/47

32

29/37

0.980

0.538

PO1M

18.9

5.91

8/32

19

15.5/22.5

0.968

0.152

PO2Y

21.0

6.83

6/38

21

16/25

0.988

0.890

TL/L curve

Preop

32.4

10.0

11/55

31

26/40.5

0.981

0.540

SB

3.49

9.79

− 18/30

2

− 1/10

0.980

0.490

FB

13.1

10.9

− 2/32

11

7/21

0.973

0.924

TR

17.9

7.43

0/34

18.5

14/22

0.979

0.487

PO1M

11.3

7.46

0/36

11

5.5/15

0.931

0.003

PO2Y

12.2

7.99

0/34

11

6.5/16.5

0.950

0.023

  1. SD, standard deviation; IQR, interquartile range; Preop, preoperative; SB, side bending; FB, fulcrum bending; TR, traction; PO, within 2 months after surgery; PO2Y, 2 years after surgery.
  2. PT, proximal thoracic; MT, main thoracic; TL/L, thoracolumbar/lumbar.
Back to article page