Table 2.

Serologic test results. PPV: positive predictive value, NPV: negative predictive value, FNR: false negative rate, FPR: false positive rate.

Serology (At Least 2 Tests Positive)	87 Sequenced Samples *	265 Non-Sequenced Samples *	352 All Samples *
Positive result	71	112	183
Negative result	16	153	169
Sensitivity (%)	96.92
Specificity (%)	59.09
PPV (%)	87.50
NPV (%)	86.67
FNR (%)	3.08
FPR (%)	40.91
Accuracy (%)	87.36

* All data in the table refer to the serology results in the specific groups.