Variable | Usual treatment (95% CI) | CAIPaDi (95% CI) |
Health outcomes | ||
Life expectancy (life-years gained) | 10.47 (10.30 to 10.62) | 10.96 (10.84 to 11.1) |
Differential life-years gained | 0.50 (0.46 to 0.54) | |
QALYs | 6.06 (5.92 to 6.19) | 6.84 (6.71 to 6.96) |
Differential QALYs | 0.78 (0.75 to 0.80) | |
Cost | ||
20-year direct medical cost | $18 819 ($16 731 to $19 545) | $18 138 ($17 349 to $20 045) |
Differential direct medical cost | −$681 (−$995 to −$366) | |
Cost-effectiveness | ||
ICER based on life expectancy (95% CI) | −$13 565 per life year gained (−$1843 to −$789) | |
ICER based on QALYs (95% CI) | −$874 per QALY gained (−$1238 to −$486) |
ICER, incremental cost-effectiveness ratio; QALYs, quality-adjusted life years.