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Table 1 Mean (SD) health-related quality of life outcomes per patient over 12 months

From: Factors associated with costs and health outcomes in patients with Back and leg pain in primary care: a prospective cohort analysis

EQ-5D-3 L scores ALL Referred leg pain Sciatica
Base case (Imputed) analysis n = 609 n = 157 s = 452
Baseline 0.446 (0.316) 0.470 (0.306) 0.438 (0.320)
4 months 0.625 (0.266) 0.644 (0.237) 0.613 (0.275)
12 months 0.663 (0.243) 0.649 (0.232) 0.669 (0.246)
Total 12 month QALYs
Unadjusted 0.608 (0.228) 0.617 (0.214) 0.606 (0.232)
Difference (Bootstrapped 95% CI’s)   −0.011 (− 0.049 to 0.031)
Adjusteda 0.608 0.605 0.610
Difference (Bootstrapped 95% CI’s)   0.005 (−0.021 to 0.032)
  1. aThe values are predicted mean scores obtained from the multiple regression equation when controlling for baseline imbalances
  2. QALY quality-adjusted life years, CI confidence intervals