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Table 1 Comparison of sagittal spinopelvic parameters between the groups

From: Relationship between characteristics of spinopelvic alignment and quality of life in Japanese patients with ankylosing spondylitis: a cross-sectional study

 

AS (n = 50)

Range

DLKS (n = 30)

Range

P value

Gender (male/female)

42/8

 

5/25

 

< 0.001**

Age

44.3 ± 14.6

20 to 75

68.5 ± 12.8

27 to 84

< 0.001**

Body mass index (BMI)

23.9 ± 4.18

15 to 36

22.0 ± 3.61

17 to 29

0.045*

Sagittal vertical axis (SVA)

85.8 ± 75.3

− 38 to 282

86.1 ± 57.1

− 58 to 196

0.986

T1 pelvic angle (TPA)

28.3 ± 15.9

− 1.0 to 67

35.0 ± 9.18

19 to 56

0.02*

Sacral slope (SS)

23.2 ± 12.2

3 to 52

24.4 ± 14.6

−5 to 63

0.707

Pelvic tilt (PT)

28.7 ± 12.4

5 to 58

35.0 ± 8.31

24 to 53

0.006**

Pelvic incidence (PI)

51.3 ± 11.1

34 to 74

54.8 ± 13.2

30 to 80

0.208

Global kyphosis (GK)

45.9 ± 17.8

−18 to 79

30.3 ± 15.7

1 to 57

< 0.001**

Thoracolumber kyphosis (TLK)

16.4 ± 11.6

1 to 52

25.7 ± 18.7

−5 to 69

0.019*

Lumbar lordosis (LL)

28.5 ± 20.7

−18 to 79

24.9 ± 16.0

1 to 57

0.407