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Table 7 Cut-offs values for TB status: PAb-655 based TMKmt Antigen capture EIAs (HIV+ve)

From: Mycobacterium tuberculosis thymidylate kinase antigen assays for designating incipient, high-risk latent M.tb infection

Sample TB Status EIA values 95% CI
Active TB (ATB) ATB=OD>0.490 0.7446 to 0.8715
Latent M.tb Infection (LTBI) LTBI=0.26>OD<0.490 0.4325 to 0.4829
No TB (NTB) NTB=OD<0.26 0.1675 to 0.2567