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Table 4 Discordant between TST at the cut-off points 5 mm of skin indurations and QFTGIT at a cut-off point ≥ 0.35 IU/ml level of IFN-γ

From: Community-based cross-sectional survey of latent tuberculosis infection in Afar pastoralists, Ethiopia, using QuantiFERON-TB Gold In-Tube and tuberculin skin test

QFTGIT TST   
  Positive (≥ 5 mm) Negative (<5 mm) Anergy (0 mm)
Positive ( ≥ 0.35 IU/ml) 207 20 99
Negative (< 0.35 IU/ml) 38 6 130
Indeterminate 2 0 3