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Table 4 Sensitivity analysis: Incremental cost per tuberculosis case prevented by post-trip tuberculin testing (versus no screening)

From: Tuberculosis screening of travelers to higher-incidence countries: A cost-effectiveness analysis

   All costs in 2005 US dollars
   Mexico Dominican Republic Haiti
   Annual risk of infection 0.3% Annual risk of infection 0.8% Annual risk of infection 2.6%
   US-born Mexican-born US-born Dominican-born US-born Haitian-born
Base case $161,196 $143,578 $102,745 $65,264 $36,931 $21,406
Increase traveler age from 21 years† to 35 years $163,779 $148,268 $103,993 $67,644 $37,482 $22,651
  to 55 years $178,237 $164,591 $113,168 $76,263 $40,989 $26,537
Increase trip duration from 3 months† to 6 months $111,832 $60,889 $16,787 $108,476 $48,731 $15,261
  to 12 months $67,592 $71,720 $31,427 $31,217 $5,426 $8,554
  to 24 months $35,872 $41,050 $13,622 $16,510 Cost saving $2,740
Change isoniazid completion rate from 65%† to 50% $208,386 $185,056 $132,752 $84,964 $48,813 $29,113
  to 100% $103,191 $93,192 $65,368 $41,179 $22,017 $12,007
  1. †All other parameters held constant at base case value