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Table 3 Discordant between TST at a cut-off point ≥ 10 mm of skin induration 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 (≥ 10 mm) Negative (< 10 mm) Anergy (0 mm)
Positive ( ≥ 0.35 IU/ml) 151 76 99
Negative (< 0.35 IU/ml) 16 28 130
Indeterminate 1 1 3