Table 1.

Sensitivity and specificity of SARS-CoV-2 antibody assays determined by us in this study (a) and in a recent study (b) (6) using the identical 75 serum samples.

a)
Manufacturer	Test results		Sensitivity	Specificity
	Rate of correct positive test results	Rate of correct negative test results
Diasorin	21/22	48/53	95.5 %	90.5 %
RocheI	21/22	51/53	95.5 %	96.2 %
IDvet	22/22	49/53	100 %	92.5 %

b)
Manufacturer	Test results		Sensitivity	Specificity
	Rate of correct positive test results	Rate of correct negative test results
Euroimmun	19/22	51/53	86.4 %	96.2 %
EDI	22/22	47/53	100 %	88.7 %
Mikrogen	19/22	53/53	86.4 %	100 %
Viramed	17/22	53/53	77.3 %	100 %