Table 3.
Usual care mean (SE) n=592 complete cases |
Intervention mean (SE) n=599 complete cases |
Incremental difference (95% CI) | |
Costs (£) | |||
Unadjusted costs from the NHS/PSS perspective | 4916 (290) | 4757 (222) | |
Adjusted costs from the NHS/PSS perspective | 4905 (258) | 4768 (256) | −137 (−852 to 577) |
Outcomes | |||
Unadjusted QALYs over 15 months of follow-up | 0.698 (0.014) | 0.750 (0.013) | |
Adjusted QALYs over 15 months of follow-up | 0.722 (0.005) | 0.726 (0.005) | 0.004 (−0.010 to 0.019) |
Cost-effectiveness statistics | |||
ICER: Intervention dominates | |||
Net monetary benefit at £20,000: £222 (−584 to 1028). |
Cost estimates were adjusted for randomisation variables; QALY estimates were adjusted for randomisation variables and baseline utility.
CI, confidence interval; ICER, incremental cost-effectiveness ratio; NHS, National Health Service; PSS, personal social services; QALY, quality-adjusted life year; SE, standard error.