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Table 2 Means of severity of disability/intensity of pain according to the severity of x-ray features of lumbar disc degeneration and lumbar spondylolisthesis – univariable analysis

From: Associations between disc space narrowing, anterior osteophytes and disability in chronic mechanical low back pain: a cross sectional study

Variable

Mean disability ± SD

p value

Mean intensity of pain ± SD

p value

Disc space narrowing

 

0.115

 

0.504

 Grade 0

30.48 ± 12.92

44.63 ± 19.58

 Grade 1

30.10 ± 13.84

47.31 ± 21.69

 Grade 2

34.07 ± 15.81

46.01 ± 21.33

Anterior osteophytes

 

0.076

 

0.200

 Grade 0

30.05 ± 13.61

44.10 ± 20.20

 Grade 1

32.65 ± 14.15

47.64 ± 20.73

 Grade 2

27.79 ± 9.17

43.87 ± 18.93

Lumbar disc degeneration

 

0.207

 

0.534

 Grade 0

29.75 ± 12.85

44.13 ± 19.05

 Grade 1

31.07 ± 13.79

46.11 ± 21.32

 Grade 2

32.98 ± 14.79

46.79 ± 20.77

Lumbar spondylolisthesis

 

0.001*

 

0.289

 Yes

36.65 ± 13.58

48.34 ± 19.97

 No

30.20 ± 13.52

45.13 ± 20.42

  1. * - p value < 0
  2. SD standard deviation