Table 2

Confirmation of SARS-CoV-2 infection among the participants

VariablesIgG positive (n; %)IgG negative (n; %)Total (n; %)
PCR positive267 (68.5)123 (31.5)390 (30.1)
PCR negative146 (22.8)494 (77.2)640 (49.5)
Never tested75 (28.4)189 (71.6)264 (20.4)
Total488 (37.7)806 (62.3)1294 (100)