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Table 6 Cost-effectiveness of screening strategies when cost estimates are varied in the sensitivity analysis.

From: Different screening strategies (single or dual) for the diagnosis of suspected latent tuberculosis: a cost effectiveness analysis

Cost Variable Incremental cost per Active TB case prevented (British Pounds; £'s)
  TST T-SPOT. TB QFT-GIT TST/T-SPOT. TB TST/QFT-GIT
Basecase Estimates £47,8405# £39,7123 £42,0514 £37,2061 £37,6992
TST cost      
£8.07 £45,2495 £39,7123 £42,0514 £34,4781 £34,7882
£32.28 £53,0245 £39,7121 £42,0512 £42,6623 £43,5234
T-SPOT. TB cost      
£45.00 £47,8405 £37,0082 £42,0514 £35,9491 £37,6993
£100.00 £47,8404 £51,8835 £42,0512 £42,8623 £37,6991
QFT-GIT cost      
£35.00 £47,8405 £39,7124 £39,1663 £37,2062 £36,3581
£80.00 £47,8404 £39,7122 £52,1475 £37,2061 £42,3953
Cost LTBI treatment      
£262.30 £22,7933 £23,5424 £23,7755 £21,0362 £21,0311
£1,049.18 £97,9375 £72,0533 £78,6034 £69,5471 £71,0382
INH hepatitis      
£314.56 £47,7505 £39,6543 £41,9854 £37,1481 £37,6392
£1,258.24 £48,0215 £39,8293 £42,1824 £37,3221 £37,8192
Post exposure TB      
£3,809.84 £51,6505 £43,5223 £45,8584 £41,0161 £41,5092
£15,239.34 £40,2215 £32,0933 £34,4374 £29,5861 £30,0802
  1. # The superscripts 1-5 indicate the cost-effectiveness ranking; (1) indicates most cost effective strategy while (5) indicates the least cost-effective strategy. (LTBI - latent tuberculosis infection, TST - Tuberculin Skin Test, INH - isoniazid, QFT-GIT - Quantiferon-TB Gold-In-Tube)