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. 2022 Jan 28;94(5):2139–2148. doi: 10.1002/jmv.27604

Table 2.

Anti‐S IgG positivity in HCWs vaccinated with CoronaVac, according to age and gender

Characteristics of HCWs

No. positive/No. tested (%)

Time points

Age (years) Gender 1D p‐value 2D 6mA2D
18–30 Female 187/195 (95.9) 0.0011 195/195 (100) 98/98 (100)
Male 59/71 (83.1) 71/71 (100) 34/36 (94.4)
Total 246/266 (92.5) 266/266 (100) 132/134 (98.5)
31–50 Female 571/630 (90.3) 0.0001 630/630 (100) 435/444 (98.0)
Male 141/178 (79.2) 178/178 (100) 111/114 (97.4)
Total 712/808 (88.1) 808/808 (100) 546/558 (97.8)
≥51 Female 111/135 (82.2) 0.1982 134/135 (99.2) 94/96 (97.9)
Male 20/28 (71.4) 27/28 (96.4) 17/17 (100)
Total 131/163 (80.4) 161/163 (98.8) 111/113 (98.2)
Total Female 869/960 (90.5) <0.0001 959/960 (99.9) 627/638 (98.3)
Male 220/277 (79.4) 276/277 (99.6) 162/167 (97.0)
1089/1237 (88.0) 1235 (99.8) 789/805 (97.9)

Abbreviations: HCW, healthcare worker; IgG, immunoglobulin G; 1D: after 28 days of the first dose of vaccine; 2D: after 30 days of the second dose; 6mA2D: after 6 months of the second dose. Statistical analysis was performed using the Fisher's test.