Skip to main content

Table 4 Analysis of the results of SAT, FPA, and ELISA

From: Fluorescence polarization assay improves the rapid detection of human brucellosis in China

SAT FPA ELISA FPA combined with ELISA Total
 +     +     +   
 +  189   11 161   39 196   4 200
0   120 0   120 0   120 120
Sensitivity (%)   94.5    80.5    98.0   
Specificity (%)   100.0    100.0    100.0   
Coincidence rate (%)   96.6    87.8    98.8   
PPV (%)   100.0    100.0    100.0   
NPV (%)   91.6    75.5    96.8   
Kappa   0.9    0.8    1.0   
  1. PPV positive predictive value, NPV negative predictive value, SAT Serum agglutination test, ELISA Enzyme linked immunesorbent assay, FPA Fluorescence polarization immunoassay, + Positive, − Negative
\