Prevalence of SARS-CoV-2 Antibodies in Laboratory Healthcare Workers at Assiut University Hospital, Egypt

Table 3

Sensitivity, specificity, positive predictive value, and negative predictive value for WBCS, SARS-CoV-2 rapid and total antibody testing.

	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
WBCs	13.6	91.4	40	71.5
Rapid test	94.1	92.6	81.4	97.8
Total Ab	92	91	83	96.6