Table 2 The cumulative 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 | # of HIV averted | # of HCV averted | 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 | $4,365,600 | 28% | 26 | 162 | $1,108,830 | $1,327,566 | $26,948 | $167,908 | 1.25 | 1.25 |
Three SIF | $6,548,400 | 21% | 32 | 195 | $189,360 | $304,485 | $33,582 | $204,637 | 1.03 | 1.03 |
Four SIF | $8,731,200 | 18% | 37 | 227 | -$940,665 | -$753,739 | $38,463 | $235,978 | 0.89 | 0.89 |
Five SIF | $10,914,000 | 16% | 43 | 261 | -$1,860,135 | -$1,741,677 | $41,816 | $253,814 | 0.83 | 0.83 |
Six SIF | $13,096,800 | 13% | 48 | 294 | -$2,990,160 | -$2,764,758 | $44,547 | $272,850 | 0.77 | 0.77 |
Seven SIF | $15,279,600 | 10% | 53 | 327 | -$4,120,185 | -$3,787,839 | $46,727 | $288,294 | 0.73 | 0.73 |
Average | $8,731,200 | 7% | 36 | 221 | -$1,151,220 | -$964,597 | $39,508 | $242,533 | 0.87 | 0.87 |