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Table 3 Clinical characteristics and morphometric parameters in different ODI performance and pain severity groups

From: Correlation of psoas major muscle morphology with function and clinical symptoms in patients with symptomatic multilevel lumbar spinal stenosis

 

Functional disability

Pain intensity (VAS for back)

Pain intensity (VAS for leg)

 

ODI ≤ 42 N = 14

ODI > 42 N = 100

p value

VAS ≤ 3 N = 26

VAS > 3 N = 88

p value

VAS ≤ 3 N = 33

VAS > 3 N = 81

p value

Gender

Male

7

34

0.243

13

28

0.09

16

25

0.075

Female

7

66

 

13

60

 

17

56

 

Age (years) (mean ± SD)

70.1 (8.0)

70.1 (9.2)

0.985

70.0 (6.8)

70.1 (9.6)

0.759

71.1 (9.0)

69.7 (9.0)

0.305

BMI (kg/m2) (mean ± SD)

26.71 (4.55)

26.56 (3.99)

0.896

27.07 (3.62)

26.44 (4.16)

0.313

26.79 (3.87)

26.49 (4.12)

0.722

Back pain duration

35.5 (59.2)

89.9 (80.9)

0.037

60.0 (88.6)

82.1 (77.0)

0.004

74.9 (71.2)

78.0 (83.6)

0.851

Leg pain duration

17.5 (39.7)

26.0 (58.4)

0.165

43.9 (65.8)

34.9 (52.9)

0.235

34.6 (59.5)

37.9 (54.7)

0.305

Number of levels involved (mean ± SD)

3.14 (0.36)

3.27 (0.47)

0.332

3.19 (0.49)

3.27 (0.45)

0.337

3.30 (0.47)

3.23 (0.45)

0.389

PMI

6.75 (2.18)

5.51 (1.26)

0.002

6.93 (1.52)

5.28 (1.20)

< 0.001

5.60 (1.52)

5.68 (1.43)

0.802

HU

40.88 (5.07)

35.91 (5.12)

0.001

40.21 (5.25)

35.43 (4.90)

< 0.001

35.86 (6.88)

36.78 (4.62)

0.405

MPM

0.58 (0.10)

0.59 (0.11)

0.735

0.60 (0.09)

0.59 (0.11)

0.659

0.57 (0.09)

0.60 (0.11)

0.152

  1. Bold indicates statistical significance
  2. ODI Oswestry Disability Index; VAS visual analogue scale; SD standard deviation; BMI body mass index; PMI psoas major muscle mass index; HU Hounsfield units; MPM morphological change in the psoas major