From: Tuberculosis screening of travelers to higher-incidence countries: A cost-effectiveness analysis
Traveler's destination Traveler group: Annual risk of infection Screening strategy from least to most expensive | Expected costs per 1,000 (2005 USD) | Expected cases per 1,000 | Incremental cost per 1,000†| Incremental cases prevented per 1,000†| Incremental cost per case prevented†|
---|---|---|---|---|---|
Travelers to Mexico | Â | Â | Â | Â | Â |
US-born: Annual infection risk 0.3% | Â | Â | Â | Â | Â |
   No screening | $7,428 | 1.0 | - | - | - |
   Post-trip TST | $47,082 | 0.8 | $39,654 | 0.2 | $161,196 |
   Post-trip chest x-ray | $58,972 | 0.9 | $11,890 | (0.1) | Dominated |
   Pre & post trip TST; treatment for reactors | $68,644 | 0.8 | $9,672 | 0.1 | Dominated |
   Pre & post trip TST; treatment for converters only | $68,741 | 0.9 | $97 | (0.1) | Dominated |
Mexican-born: Annual infection risk 0.3% | Â | Â | Â | Â | Â |
   No screening | $9,855 | 1.3 | - | - | - |
   Post-trip TST | $57,666 | 1.0 | $47,811 | 0.3 | $143,578 |
   Post-trip chest x-ray | $61,087 | 1.1 | $3,421 | (0.1) | Dominated |
   Pre & post trip TST; treatment for converters only | $71,335 | 1.2 | $10,248 | (0.1) | Dominated |
   Pre & post trip TST; treatment for reactors | $74,372 | 1.1 | $3,037 | 0.1 | Dominated |
Travelers to Dominican Republic | Â | Â | Â | Â | Â |
US-born: Annual infection risk 0.8% | Â | Â | Â | Â | Â |
   No screening | $13,226 | 1.7 | - | - | - |
   Post-trip TST | $51,961 | 1.3 | $38,735 | 0.4 | $102,745 |
   Post-trip chest x-ray | $64,678 | 1.6 | $12,718 | (0.3) | Dominated |
   Pre & post trip TST; treatment for reactors | $73,792 | 1.4 | $9,114 | 0.2 | Dominated |
   Pre & post trip TST; treatment for converters only | $73,889 | 1.5 | $97 | (0.1) | Dominated |
Dominican-born: Annual infection risk 0.8% | Â | Â | Â | Â | Â |
   No screening | $25,423 | 3.3 | - | - | - |
   Post-trip TST | $73,523 | 2.6 | $48,100 | 0.7 | $65,264 |
   Post-trip chest x-ray | $75,711 | 2.9 | $2,188 | (0.3) | Dominated |
   Pre & post trip TST; treatment for reactors | $86,604 | 2.8 | $10,893 | 0.1 | Dominated |
   Pre & post trip TST; treatment for converters only | $89,568 | 3.2 | $2,964 | (0.4) | Dominated |
Travelers to Haiti | Â | Â | Â | Â | Â |
US-born: Annual infection risk 2.6% | Â | Â | Â | Â | Â |
   No screening | $34,041 | 4.4 | - | - | - |
   Post-trip TST | $68,756 | 3.5 | $34,715 | 0.9 | $36,931 |
   Post-trip chest x-ray | $85,163 | 4.3 | $16,407 | (0.8) | Dominated |
   Pre & post trip TST; treatment for reactors | $91,797 | 3.8 | $6,634 | 0.5 | Dominated |
   Pre & post trip TST; treatment for converters only | $91,893 | 3.9 | $96 | (0.1) | Dominated |
Haitian-born: Annual infection risk 2.6% | Â | Â | Â | Â | Â |
   No screening | $73,594 | 9.6 | - | - | - |
   Post-trip chest x-ray | $119,983 | 8.5 | $46,389 | 1.1 | $40,585* |
   Post-trip TST | $121,073 | 7.4 | $1,090 | 1.1 | $1,014 |
   Pre & post trip TST; treatment for reactors | $133,556 | 8.1 | $12,484 | (0.7) | Dominated |
   Pre & post trip TST; treatment for converters only | $135,395 | 9.2 | $1,839 | (1.1) | Dominated |