Table 3 The marginal annual cost saving, cost - effectiveness and cost – benefit of SIF in Montreal using the Jacobs et al.[18] model
Variables | Annual cost of operation | Sharing rate | Marginal # of HIV averted | Marginal # of HCV averted | Marginal | Marginal | Marginal | Marginal | Marginal | Marginal |
|---|---|---|---|---|---|---|---|---|---|---|
HIV cost saved | HCV cost saved | cost-effectiveness ratio HCV | cost-effectiveness ratio HIV | cost-benefit ratio HCV | cost-benefit ratio HIV | |||||
Post SIF | $2,182,800 | 35% | 14 | 84 | $764,970 | $769,212 | $25,986 | $155,914 | 1.35 | 1.35 |
Two SIF | $2,182,800 | 28% | 12 | 78 | $343,860 | $558,354 | $27,985 | $181,900 | 1.26 | 1.16 |
Three SIF | $2,182,800 | 21% | 6 | 33 | -$919,470 | -$1,023,081 | $66,145 | $363,800 | 0.53 | 0.57 |
Four SIF | $2,182,800 | 18% | 5 | 32 | -$1,130,025 | -$1,058,224 | $38,463 | $436,560 | 0.52 | 0.48 |
Five SIF | $2,182,800 | 16% | 6 | 34 | -$1,200,540 | -$987,938 | $41,816 | $363,800 | 0.55 | 0.58 |
Six SIF | $2,182,800 | 13% | 5 | 33 | -$1,130,025 | -$1,023,081 | $66,145 | $436,560 | 0.53 | 0.57 |
Seven SIF | $2,182,800 | 10% | 5 | 33 | -$919,470 | -$1,023,081 | $66,145 | $436,560 | 0.53 | 0.57 |
Average | $2,182,800 | 7% | 8 | 47 | -$498,360 | -$531,079 | $46,442 | $272,850 | 0.76 | 0.77 |