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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