Research Article

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

Table 3

Comparison of baseline characteristics and diagnostic value of ROC curves of various combined detection.

Combined detectionAUCSensitivity (%)Specificity (%)95% CIPPV (%)NPV (%)

Two-item in combination
0.80476.7177.040.745-0.86364.486.0
0.82390.4169.630.767-0.87961.793.1
0.83076.7181.480.774-0.88669.186.6
0.84483.5678.520.789-0.89867.889.8
Three-item in combination
0.81687.6768.150.759-0.87359.891.1
0.81490.4163.700.758-0.87157.492.5
0.84087.6774.810.785-0.89465.391.8
0.82389.0471.110.767-0.87962.592.3
0.85895.8964.440.808-0.90859.396.7
0.85191.7870.370.798-0.90462.694.1
Four-item in combination
0.81983.5669.630.763-0.87559.888.7
0.85791.7869.630.807-0.90862.094.0
0.85883.5676.300.807-0.90865.689.6
0.84984.9376.300.796-0.90166.090.4
Five-item in combination
0.85997.2662.960.809-0.90958.797.7

Note: Comparison of AUCs of two-item in combination, ; comparison of AUCs of three-item in combination, ; comparison of AUCs of four-item in combination, . PPV: positive predictive value; NPV: negative predictive value; AUC: area under the curve; QFT: Quanti FERON-TB; ESR: erythrocyte sedimentation rate; ADA: adenosine deaminase; CA125: cancer antigen 125; hs-CRP: high-sensitivity C-reactive protein.