Volume 12, Number 3—March 2006
Perspective
Cost-effectiveness of West Nile Virus Vaccination
Armineh Zohrabian*
, Edward B. Hayes†, and Lyle R. Petersen†
, Edward B. Hayes†, and Lyle R. Petersen†
Table 4
Sensitivity of the average cost-effectiveness ratio for stepwise changes in infection rate and vaccination cost*
| Statistic | Infection rate |
Vaccination cost |
||||
|---|---|---|---|---|---|---|
| 0.0016 | 0.016 | 0.23 | –150 | –100 | –10 | |
| 5th–95th percentile range, $ | –585,000 to –261,000 | –54,000 to –22,000 | 343 to 3,846 | –86,000 to –36,000 | –56,000 to –23,000 | –1,400 to 2,900 |
| Mean, $ | –400,000 | –36,000 | 2,096 | –57,000 | –36,000 | 860 |
| Median, $ | –386,000 | –34,000 | 2,098 | –55,000 | –35,000 | 920 |
| Mode, $ | –373,000 | –30,000 | 1,500 | –54,000 | –36,000 | 740 |
| Probability of savings, % | 0 | 0 | 98 | 0 | 0 | 76 |
*All other variables were allowed to vary according to their specified uniform distributions provided in Table 1. Negative value indicates cost; positive value indicates monetary saving.
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