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Table 2 Sensitivity analysis

From: Costs and health effects of screening and delivery of hearing aids in Tamil Nadu, India: an observational study

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