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Table 3 Means and standard deviations (SDs) of all pelvic postural variables and pelvic asymmetry parameters

From: The association between pelvic asymmetry and non-specific chronic low back pain as assessed by the global postural system

 

Mean (SD)

 
 

Control Group

NCLBP Group

t, p value

95% CI

Tester A

Tester B: first time

Tester B: second time

Tester A

  

Anterior pelvis tilt angle (o)

Left

21.04 (4.48)

21.04 (4.80)

21.36 (5.10)

22.29 (6.83)

t = −0.809, p = 0.42

−4.35,1.85

Right

21.07 (4.99)

21.25 (4.00)

20.75 (4.53)

22.43 (7.06)

t = − 0.831, p = 0.41

−4.63,1.92

Q angle (o)

Left

20.00 (3.45)

21.00 (4.24)

21.21 (4.67)

19.64 (7.99)

t = 0.217, p = 0.83

−2.94,3.65

Right

19.93 (3.24)

20.57 (3.87)

21.25 (3.89)

19.50 (7.97)

t = 0.263, p = 0.79

−2.83,3.69

The height of the ASIS from the platform (cm)

Left

103.16 (6.92)

102.76 (6.91)

102.70 (7.00)

100.11 (18.27)

t = 0.826, p = 0.41

−4.35,10.45

Right

103.25 (6.81)

103.00 (6.76)

102.76 (6.75)

100.30 (17.96)

t = 0.812, p = 0.42

−4.33,10.23

The distance between the ASIS and the midline (cm)

Left

14.44 (1.09)

14.45 (1.35)

14.46 (1.33)

14.43 (1.55)

t = 0.030, p = 0.98

−0.71,0.73

Right

14.73 (1.25)

15.54 (1.42)

15.45 (1.37)

14.76 (1.74)

t = −0.71, p = 0.94

−0.84,0.78

The height of the PSIS from the platform (cm)

Left

110.41 (7.51)

109.46 (6.96)

109.65 (6.41)

110.68 (6.88)

t = −0.141, p = 0.89

−4.13,3.59

Right

110.56 (7.40)

109.41 (6.86)

109.43 (6.21)

110.66 (6.87)

t = −0.049, p = 0.96

−3.92,3.73

The distance between the PSIS and the midline (cm)

Left

5.52 (0.73)

5.68 (0.72)

5.79 (1.03)

6.28 (1.67)

t = −2.194, p = 0.04

−1.32,0.02

Right

5.48 (0.83)

5.69 (0.79)

5.53 (0.72)

6.04 (1.29)

t = −1.948, p = 0.06

−1.14,0.02

PTAR (%)

 

8.3 (7.7)

  

19.9 (19.1)

t = −2.989, p = 0.01

− 19.5,-3.7

QAR (%)

 

10.3 (7.6)

  

51.6 (67.6)

t = −3.206, p = 0.003

−67.6,-14.9

AHAR (%)

 

0.7 (0.5)

  

1.1 (1.4)_

t = −1.416, p = 0.17

−0.9,0.2

ADAR (%)

 

3.7 (3.8)

  

7.5 (3.7)_

t = −3.825, p < 0.001

−5.8,-1.8

PHAR (%)

 

0.4 (0.3)

  

0.4 (0.4)

t = 0.679, p = 0.50

−0.1,0.2

PDAR (%)

 

6.3 (4.0)

  

21.8 (17.5)

t = −4.570, p < 0.001

−22.4,-8.6

  1. Keys: ASIS Anterior superior iliac spine, PSIS Posterior superior iliac spine, PTAR Pelvic tilt angle asymmetry ratio in the sagittal plane, QAR Q angle asymmetry ratio, AHAR Height of the ASIS from the platform asymmetry ratio, ADAR Distance between the ASIS and the midline asymmetry ratio, PHAR height of the PSIS from the platform asymmetry ratio, PDAR Distance between the PSIS and the platform asymmetry ratio
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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