Table 7. Cost per Case Averted from Being Imported into the U.S. when Comparing Two Programs for Treating TB in Foreign-Born Student-Visa Applicants.
| Country | Program costs | Additional costs with overseas screening | Domestic cases 1st year | Incremental # cases prevented from being imported | Incremental cost per case prevented from being imported A |
|---|---|---|---|---|---|
| No screening or treatment for Indian students B | $1,011,129 | reference | 47.1 | reference | reference |
| Overseas screening and treatment for Indian studentst C | $1,450,974 | $439,845 | 17.9 | 29.2 | $15,063 |
| No screening for Chinese students B | $3,490,276 | reference | 162.5 | reference | reference |
| Overseas screening and treatment for Chinese students C | $6,325,799 | $2,835,523 | 34.7 | 127.8 | $22,187 |
| No screening for German students B | $0 | reference | 0 | reference | reference |
| Overseas screening and treatment for German students C | $502,285 | $502,285 | 0 | 0 | Not able to be calculated (division by zero) |
TB = Tuberculosis; U.S. = United States
A- Derived by dividing the additional costs with overseas screening by the cases prevented from being imported into the United States;
B-Includes costs for treating imported TB cases in the U.S. with no overseas screening;
C-Includes overseas costs incurred while screening for and treating TB overseas, screening high risk students in the U.S., and treatment of active TB cases occurring in the U.S. after implementing overseas screening and treatment