Table 3. COVID-19 mortality* and relative mortality risk† among persons aged <30 years, 30–59 years, and ≥60 years, overall and by age and vaccination status — Hong Kong Special Administrative Region, China, January 6–March 21, 2022.
| Characteristic | Mortality rate* | Relative mortality risk † |
| Abbreviation: Ref=referent group.
* Deaths per million population. † Compared with referent group of ≥2 doses. | ||
| Overall no. of COVID-19 vaccine doses received | ||
| ≥2 | 129 | Ref |
| 1 | 317 | 2.5 |
| 0 | 4,277 | 33.2 |
| All vaccination groups, by age group, years | ||
| <30 | 11 | Ref |
| 30–59 | 66 | 6 |
| ≥60 | 2,780 | 252.7 |
| 60–69 | 463 | 42.1 |
| 70–79 | 1,743 | 158.5 |
| ≥80 | 10,408 | 946.2 |
| No. of doses received, by age group, years | ||
| <30 | ||
| ≥2 | 4 | Ref |
| 1 | 6 | 1.5 |
| 0 | 29 | 7.3 |
| 30–59 | ||
| ≥2 | 17 | Ref |
| 1 | 23 | 1.4 |
| 0 | 1,039 | 61.1 |
| ≥60 | ||
| ≥2 | 473 | Ref |
| 1 | 1,099 | 2.3 |
| 0 | 10,076 | 21.3 |
| 60–69 | ||
| ≥2 | 108 | Ref |
| 1 | 168 | 1.6 |
| 0 | 2,784 | 25.8 |
| 70–79 | ||
| ≥2 | 396 | Ref |
| 1 | 786 | 2.0 |
| 0 | 5,841 | 14.7 |
| ≥80 | ||
| ≥2 | 2,696 | Ref |
| 1 | 6,207 | 2.3 |
| 0 | 17,250 | 6.4 |