Table 5. Predicted Total Cost per person in 2011 USD by Screening Strategy.
| Study Author, Year | Population | TST | IGRA | Cost difference (IGRA vs TST)* |
| life time analytic horizon | ||||
| de Perio, 2009 | BCG –ve | $280 | $262 | -$18 |
| BCG +ve | $287 | $177 | -$110 | |
| Deuffic-Brown, 2010 | BCG +ve | $805 | $703 | -$102 |
| Kowada, 2010 | BCG –ve | $1,920 | $1,099 | -$821 |
| BCG +ve | $2,206 | $1,099 | -$1,107 | |
| Kowada, 2010 | BCG +ve | NA | $551 | NA |
| Kowada, 2008 | BCG +ve | $625 | $513 | -$112 |
| Linas, 2011 | Close contacts | $125, 610 | $125, 620 | $10 |
| Recent immigrant | $122,700 | $122,700 | $0 | |
| 20 year analytic horizon | ||||
| Burgos, 2009 | BCG +ve | No data on total cost | No data on total cost | NA |
| Diel, 2007 | BCG +ve | $342 | $271 | -$71 |
| Diel, 2007 | Mostly BCG+ve | $1,376 | $748 | -$628 |
| Marra, 2008 | Mostly BCG+ve | $495 | $525 | $30 |
| Foreign born BCG −ve | $460 | $452 | -$8 | |
| Oxlade, 2007 | Foreign born BCG – ve | $307 | $348 | $41 |
| Foreign born BCG +ve (infancy) | $321 | $348 | $27 | |
| Foreign born BCG +ve (older) | $382 | $348 | -$34 | |
| Pareek, 2011 | BCG not specified | NA | $142 | NA |
| 2 year analytic horizon | ||||
| Pooran, 2010 | BCG not specified | $327 | $371 (Tspot)/$369 (QFN) | $295 (TST/TSpot) $285 (TST/QFN) |
*
A negative number represents a savings with IGRA relative to TST.