Table 4 One-way sensitivity analysis (20-year horizon)
Variable | Base case | Updated | Net cost |
|---|---|---|---|
Base Case | -$1401 m | ||
Efficacy of fluoridation | |||
Average risk reduction caries | 24% | 19% | -$1002 m |
30% | -$1836 m | ||
Cost of fluoridation | |||
Plant capital costs | 100% | 50% | -$1444 m |
200% | -$1317 m | ||
Plant maintenance costs | 100% | 50% | -$1427 m |
200% | -$1350 m | ||
Cost of fluoride | 100% | 50% | -$1422 m |
200% | -$1361 m | ||
Cost offsets | |||
Cost of a fillinga | $220 | $176 | -$1213 m |
$264 | -$1589 m | ||
Proportion of fillings that are composite | 62% | 40% | -$1196 m |
70% | -$1458 m | ||
Cost of an extraction | $177 | $141 | -$1284 m |
$212 | -$1519 m | ||
Discount rate | |||
Discount rate | 3.5% | 0.0% | -$2035 m |
8.0% | -$927 m | ||