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. 2022 Apr 7;60(5):e00066-22. doi: 10.1128/jcm.00066-22

TABLE 5.

Investigation of FN and FP SARS-CoV-2 results

Discrepancy BioFire RP2.1 result Comparator EAU tests
Cepheid Xpert Xpress SARS-CoV-2 (31) result/CT (if applicable)
Composite EUA result SOC (NeuMoDx) result/CT (if applicable) COVID-19 test result New York RT-PCR result/CT (if applicable)
FNa NDb Positive Positive/(31.98, 31.25) D Positive/(34.1/36.0) NTc
FPd De Negative Negative Ef Negative NT
FP D Negative Negative D Negative NT
FP D Negative Negative D Negative NT
FP D Negative Negative E Negative NT
FP D Negative Negative ND Negative Positive/(38.2, 36.0)
a

FN, false negative.

b

ND, not detected.

c

NT, not tested.

d

FP, false positive.

e

D, detected.

f

E, equivocal.