Interferon gamma-induced protein-10 is a diagnostic test for tuberculosis infection. There is no information on its concentrations over time. Interferon gamma-induced protein-10 was evaluated in 72 children formerly treated or in former contact with tuberculosis using Quantiferon Gold in-tube. Cases and contacts had similar interferon gamma-induced protein-10 concentrations. Concentrations varied with the tuberculin and interferon gamma release tests' concordance or discordance, and were independent of time.
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