TABLE 2: IgG antibody levels of emergency department healthcare workers who were divided into various groups according to COVID-19 history and vaccine status, and according to gender, health profession, body mass index, smoking status, and advers events after receiving the CoronaVac vaccine.
| History of nCoV (−) | History of nCoV-19 (+) | History of nCoV-19 (−) | History of nCoV-19 (−) | History of nCoV-19 (+) | |
|---|---|---|---|---|---|
| CoronaVac (−) | CoronaVac (−) | CoronaVac (1 dose) | CoronaVac (2 doses) | CoronaVac (2 doses) | |
| (n=38) | (n=42) | (n=10) | (n=103) | (n=31) | |
| IgG antibody level, COI | 0.4 (0.1-0.9) | 27.6 (5.3-78.7) | 0.6 (0.2-2.1) | 39.0 (10.0-131.0) | 84.0 (26.0-180.0) |
| Gender | |||||
| Female | 0.5 (0.1-4.0) | 39.5 (5.4-105.0) | 2.9 (0.2-53.1) | 53.8 (15.9-147.0) | 112.5 (27.4-222.7) |
| Male | 0.3 (0.1-0.6) | 13.0 (4.0-70.0) | 0.6 (0.1-0.7) | 31.2 (4.5-124.0) | 70.0 (21.5-119.0) |
| P value | 0.278 | 0.331 | 0.454 | 0.217 | 0.230 |
| HCW | |||||
| Nurse | 0.4 (0.1-0.7) | 20.3 (4.2-64.2) | 0.6 (0.2-2.1) | 39.0 (8.9-129.0) | 71.0 (20.0-200.0) |
| Doctor | 0.3 (0.1-15.37) | 107.0 (39.7-144.5) | - | 36.0 (8.7-152.5) | 94.5 (58.0-131.2) |
| P value | 0.965 | 0.035 | 0.800 | 0.652 | |
| Smoking | |||||
| Non-user | 0.3 (0.1-1.48) | 31.5 (5.8-79.0) | 0.6 (0.3-4.3) | 49.0 (11.5-160.5) | 101.5 (67.5-185.0) |
| User | 0.4 (0.1-14.27) | 11.1 (2.5-96.2) | 0.4 (0.1-18.0) | 23.1 (7.4-98.5) | 25.9 (11.5-129.0) |
| P value | 0.750 | 0.309 | 0.392 | 0.304 | 0.030 |
| AE | |||||
| No | - | - | 0.6 (0.2-2.1) | 39.0 (8.9-126.5) | 94.5 (47.5-190.0) |
| Yes | - | 43.0 (16.3-213.0) | 17.0 (8.4-119.0) | ||
| P value | 0.362 | 0.076 |
HCW: healthcare workers; BMI: body mass index; AE: advers events after CoronaVac, which did not show a normal distribution (25th vs 75th percentile).