Table 4

Factorial design results
Design Self-referral Drop-out reduction Widening non-therapy QALYs Costs Incremental analysis
ICER Comparatora
1 - - - 14.912 £832 -
2 - + - 14.935 £1,512 Dominated Compared to 4
4 + - + 14.956 £891 £1,335 Compared to 1
3 + - - 14.964 £1,166 Dominated Compared to 7
6 - - + 14.986 £1,568 Dominated Compared to 7
5 + + - 15.002 £2,065 Dominated Compared to 7
7 - + + 15.019 £1,150 £5,533 Compared to 4
8 + + + 15.042 £1,993 £24,586 Compared to 7

Results ordered from smallest to largest QALYs - = factor not active + = factor active.

a Comparison against the next less-effective non-dominated option.

Tosh et al.

Tosh et al. BMC Health Services Research 2013 13:150   doi:10.1186/1472-6963-13-150

Open Data