TABLE 2.
Incremental Cost-Effectiveness Ratio of Performing Surveillance at Different MRSA Prevalence and Decolonization Success Rates
| MRSA prevalence | ||
|---|---|---|
| Decolonization success rate | 0.01 | 0.025 |
| Single-location surveillance | ||
| 0.25 | 1737 | D |
| 0.5 | D | D |
| 0.75 | D | D |
| 1 | D | D |
| 2-location surveillance | ||
| 0.25 | 7707 | 1789 |
| 0.5 | 2026 | D |
| 0.75 | 367 | D |
| 1 | D | D |
| Graves method | ||
| 0.25 | 2972 | D |
| 0.5 | D | D |
| 0.75 | D | D |
| 1 | D | D |
Note. D means surveillance is the dominant strategy. For MRSA prevalence (probability of colonization) of 0.1, 0.15, 0.2, 0.25, 0.3, 0.4, 0.5, 0.75, and 0.9, surveillance was the dominant strategy for all decolonization success rates (0.25, 0.5, 0.75, and 1), whether by single-location surveillance, 2-location surveillance, or the Graves method (opportunity cost of lost bed-days).