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Table 1 Baseline variables

From: Back pain was less explained than leg pain: a cross-sectional study using magnetic resonance imaging in low back pain patients with and without radiculopathy

Dependent variables  
Back + leg pain intensitya , mean (SD) (range) 32.3 (11.9) (8, 60)
 Women, mean (SD) 32.4 (12.3)
 Men, mean (SD) 32.1 (11.6)
Back pain intensitya, mean (SD) (range) 17.7 (6.50) (3, 30)
 Women, mean (SD) 18.6 (5.8)
 Men, mean (SD) 16.6 (7.1)
Leg pain intensitya, mean (SD) (range) 14.4 (8.30) (0, 30)
 Women, mean (SD) 13.6 (8.5)
 Men, mean (SD) 15.3 (8.0)
Independent variables  
MRI findings (presented in Table 2)  
Demographic and clinical variables  
Sex: female/all (% female) 75/141 (53)
Age: mean (SD) (range) 41.6 (10.6) (18–60)
Body Mass Index (BMI): mean (SD) (range) 26.8 (4.55) (18.4–40.2)
No with radiculopathy/all, n (%) 61/141 (43)
Disability (Roland Morris), mean (SD) (range) 15.7 (3.8) (5–23)
 Women, mean (SD) 15.6 (4.0)
 Men, mean (SD) 15.8 (3.6)
Duration of pain, n (%)  
  ≤ 3 mo 73 (53)
 3-6 mo 38 (27)
 7-12 mo 9 (7)
  > 12 mo 18 (13)
Much bothered by widespread pain the preceding 2 wk/all , n (%) 23/141 (16)
Using pain medicine 5–7 days pr. wk/ 0–4 days pr. wk/all 86/50/135
Tender points: median (range) 6 (0–18)
  1. Other baseline variables presented elsewhere [6]
  2. aon the examination day and the preceding two weeks