Table 1.
Characteristics of the vaccinees in this study.
| Characteristics | CoronaVac (fully vaccinated) n = 170 |
AZD1222 (fully vaccinated) n = 169 |
CoronaVac (full vac.) + AZD1222 n = 210 |
p-value |
|---|---|---|---|---|
| Mean age, years (SD) | 42.3 (9.6) | 47.9 (15.5) | 40.0 (9.8) | p < 0.05a,p < 0.001b |
| Sex and age group | ||||
| Male no. (%) | 81 (47.6%) | 71 (42.0%) | 59 (28.1%) | |
| 18–29 y | 8 | 4 | 2 | |
| 30–59 y | 73 | 46 | 55 | |
| ≥ 60 y | – | 21 | 1 | |
| ND | – | – | 1 | |
| Female no. (%) | 89 (52.4%) | 98 (58.0%) | 151 (71.9%) | p < 0.001c, p = 0.001d |
| 18–29 y | 10 | 18 | 29 | |
| 30–59 y | 79 | 55 | 118 | |
| ≥ 60 y | – | 25 | 3 | |
| ND | – | – | 1 | |
| Days (median) between dose 1 and 2 | 23.0 | 70.0 | 21.0 | |
| [IQR] | [21.0, 26.0] | [70.0, 70.0] | [21.0, 26.0] | |
| (min–max) | (21.0–28.0) | (68.0–76.0) | (14.0–37.0) | |
| Days (median) between dose 2 and 3 | – | – | 70.0 | |
| [IQR] | [61.0, 79.0] | |||
| (min–max) | (30.0–99.0) | |||
| Days (median) between last dose and blood collection | 29.0 | 30.0 | 28.0 | |
| [IQR] |
[28.0–31.0] | [26.0–31.0] | [20.0–32.0] | |
| (min–max) | (27.0, 49.0) | (19.0, 41.0) | (14.0, 35.0) | |
a
represents the comparison between fully vaccinated CoronaVac and fully vaccinated CoronaVac + AZD1222 group using t-test. b represents the comparison between fully vaccinated AZD1222 and fully vaccinated CoronaVac + AZD1222 group using t-test. c represents the comparison between fully vaccinated CoronaVac and fully vaccinated CoronaVac + AZD1222 group using Chi-square test. d represents the comparison between fully vaccinated AZD1222 and fully vaccinated CoronaVac + AZD1222 using Chi-square test. ND indicates no data available.