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Table 3 Associations between subgroups and general perceived effect after 3 months (n = 1,304)

From: Prognostic implications of the Quebec Task Force classification of back-related leg pain: an analysis of longitudinal routine clinical data

  Odds ratios (95% CI) Odds ratios (95% CI)
Model I: Unadjusted association Model II: Adjusted for duration
Subgroups p 0.001 p = 0.2
Local LBP [reference]   
LBP + pain above knee 1.13 (0.70 – 1.82) 1.06 (0.64 – 1.76)
LBP + pain below knee 0.85 (0.55 – 1.31) 0.76 (0.48 – 1.20)
LBP + NRI 1.58 (1.11 – 2.26)*§ 1.12 (0.77 – 1.64)
AUC = 0.57  
  1. Odds ratios for being ‘much better’ or ‘better’ after 3-months.
  2. *p < 0.05 in comparison with Local LBP.
  3. §p < 0.05 in comparison with LBP + pain below knee.
  4. AUC Area under the Receiver Operating Characteristic curve.