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

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

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)
Adjusted^a	0.608	0.605	0.610
Difference (Bootstrapped 95% CI’s)		0.005 (−0.021 to 0.032)

^aThe values are predicted mean scores obtained from the multiple regression equation when controlling for baseline imbalances
QALY quality-adjusted life years, CI confidence intervals

ISSN: 1472-6963