Diagnostic Value of Interferon-Gamma Release Assays Combined with Multiple Indicators for Tuberculous Peritonitis

Table 4

Diagnostic performance of T-SPOT.TB, QFT (≥0.55 IU/mL), and ascitic ADA.

Assay item	Sensitivity (%)	Specificity (%)	Positive predictive value (%)	Negative predictive value (%)
T-SPOT.TB	94.52	70.37	63.3	96.0
QFT (≥0.55 IU/mL)	86.30	80.00	70.0	91.5
Ascitic ADA	90.00	96.77	97.3	88.2

Note: T-SPOT.TB: tuberculosis-infected T-cells spot test; QFT: Quanti FERON-TB; ADA: adenosine deaminase.