Table 5.
Cost-Utility and Sensitivity Analysis
| Cost-Utility Ratios | Total Lifetime Cost without Educational Savings |
Total Lifetime Savings with Educational Savings |
QALYs Gained | Cost/QALY without Educational Savings |
Interpretation |
|---|---|---|---|---|---|
| <18 months | $160,453 | $31,252 | 10.7 | $14,996 | Dominated |
| 18-36 months | $160,638 | $10,217 | 9.0 | $17,849 | |
| 36+ months | $161,056 | $6,680 | 8.4 | $19,173 | |
| Sensitivity Analysis | <18 months | 18-36 months | 36+ months | ||
| Variables | Base Estimate | Range of Estimate (Best to Worst) |
Cost-Utility Cost per QALY (Base $14,996) |
Cost-Utility Cost per QALY (Base $17,849) |
Cost-Utility Cost per QALY (Base $19,173) |
| Discount Rate | 3% | 0 - 6 | $10,716-$29,005 | $12,761-$34,504 | $13,723-$37,018 |
| Direct Medical cost: | |||||
| Frequency of Lifetime audiology |
1/year | 1 to 4 | $14,996-$19,060 | $17,849-$22,681 | $19,173-$24,351 |
| Reimplantation cost | $9,370 | $0-$40,164 | $15,165-$14,944 | $18,103-$17,771 | $19,045-$19,596 |
| Extended Warranty | $400/year | $300-$500 | $14,718-$15,273 | $17,519-$18,178 | $18,820-$19,526 |
| Frequency of device upgrade |
7/Lifetime | 5-10/Lifetime | $14,660-$15,452 | $17,448-$18,387 | $18,740-$19,615 |
| Total lifetime medical cost |
$111,968 | $55,984-$167,953 | $9,801-$20,190 | $11,673-$24,024 | $12,557-$25,790 |
| Time off Work, hours per visit |
4 | 3-5 | $14,304-$15,686 | $17,026-$18,669 | $18,292-$20,053 |
| Parental salary, hourly wage |
$23.50 | 18-30 | $14,322-$15,792 | $17,048-$18,795 | $18,315-$20,187 |
| Non-implanted health- utility |
0.38 | 0.26-0.56 | $11,143-$23,254 | $14,472-$30,892 | $19,173-$35,012 |