At the cut off value of 12.96 mg / L the sensitive of Plys was 55.10%, the specificity was 93.75%, PPV was 87.10%, NPV was 73.17%; at the cut off value of 1.61 the sensitive of P / S Lys was 57.14%, the specificity was 85.94%, PPV was 75.68%, NPV 72.37%; at the cut off value of 40.75pg / ml the sensitive of INF-γ was 93.88%, the specificity was 100%, PPV was 100%, NPV was 95.52%.