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Table 4 Associations of age, gender and BMI with x-ray features of lumbar disc degeneration – multivariable ordinal logistic regression model

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

  Disc space narrowing Anterior osteophytes Disc degeneration
Variable Parameter estimates (β) aOR (95% CI) p value Parameter estimates (β) aOR (95% CI) p value Parameter estimates (β) aOR (95% CI) p value
Age 0.074 1.077 (1.056 – 1.100) <0.001* 0.075 1.078 (1.056–1.100) <0.001* 0.090 1.094 (1.072–1.115) <0.001*
BMI 0.023 1.023 (0.980–1.069) 0.301 0.058 1.059 (1.013–1.108) 0.012* 0.060 1.062 (1.018–1.108) 0.005*
Gender
 Male -0.245 1.277 (0.792 – 2.059) 0.316 0.517 1.676 (1.042–2.696) 0.033* 0.371 1.450 (0.928–2.265) 0.103
 Female 0.000    0.000    0.000   
Pain radiating into legs
 No –0.161 0.851 (0.542 – 1.335) 0.483 -0.118 0.888 (0.566–1.394) 0.606 -0.168 0.845 (0.551–1.296) 0.441
 Yes 0.000 1.175 (0.749–1.844)   0.000    0.000   
  1. * - p value <0.05
  2. aOR adjusted odds ratios, CI confidence interval