Table 2 Sensitivity analysis
Scenario (number, variable) | Base-line value | Sensitivity analysis | Cost per DALY averted | |||
|---|---|---|---|---|---|---|
Program 1 | Program 2 | Program 3 | ||||
0 | Baseline | 903 | 902 | 724 | ||
1 | Proportion of patients wearing hearing aid | 70% | 50% | 1264 | 1,263 | 1,014 |
2 | idem | 70% | 90% | 702 | 702 | 563 |
3 | Lifetime hearing aid (years) | 5 | 3 | 1,505 | 1,504 | 1,207 |
4 | idem | 5 | 7 | 645 | 644 | 517 |
5 | Difference in health state valuation treated and untreated deafness | 0,048 | 0,024 | 1,806 | 1,804 | 1,448 |
6 | idem | 0,048 | 0,072 | 602 | 601 | 483 |
7 | Fitted with hearing aids, presented at clinic (program 2 only) | 32 | 179 | NA | 685 | NA |
8 | Cost of hearing aid | Rs. 1,680 (US$36) | Rs. 3,000 (US$64) | 1,071 | 1,070 | 976 |
9 | idem | Rs. 1,680 (US$36) | Rs. 1,000 (US$21) | 816 | 816 | 594 |
10 | Worst case scenario (scenarios 1, 3, 5, and 8 combined) | Combined | Combined | 4,996 | 4,993 | 4,554 |