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Table 1 Baseline characteristics for the total population

From: Prognostic factors for non-success in patients with sciatica and disc herniation

  n = 466
Sociodemographic variables   
Age years mean (SD) 43.6 (11.5)
Males n (%) 268 (57.5)
Current smoker n (%) 200 (43.3)
Education >; 12 years n (%) 227 (50.1)
Working status   
Working full time n (%) 92 (19.8)
Partly sick leave n (%) 51 (11.0)
Total sick leave, rehabilitation n (%) 234 (50.4)
Disability pension n (%) 33 (7.1)
Other n (%) 54 (11.6)
Back pain/sciatica history   
First sciatica episode n (%) 210 (45.3)
Duration back problems <; 1 year n (%) 145 (31.1)
Duration current sciatica episode <; 3 months n (%) 192 (41.4)
Self-reported health status   
MSBQ (0–12) mean (SD) 8 (3)
Pain intensity* back (0–100) mean (SD) 42.6 (30.0)
Pain intensity* leg (0–100) mean (SD) 63.2 (28.2)
SBI† (0–24) mean (SD) 14 (5)
Subjective health complaints (0–27) mean (SD) 7.5 (4.5)
Kinesiophobia‡ (13–52) mean (SD) 27 (7)
Emotional distress§ (1–4) mean (SD) 1.58 (0.43)
Clinical finding   
Muscular weakness n (%) 203 (44.5)
Reflex reduced or absent n (%) 212 (46.2)
Sensory loss n (%) 273 (59.0)
Straight-leg-raising test <; 60˚ n (%) 267 (58.0)
  1. *Visual analogue scale; †Sciatica Bothersomeness Index; ‡ Tampa Scale for Kinesiophobia; § Hopkins Symptom Check List-25