Table 3.
Characteristics of covid-19 related deaths and matched controls. Values are numbers (percentages) unless stated otherwise
| Characteristic | Overall (n=220) | Children (3-11 years old) | Adolescents (12-17 years old) | |||
|---|---|---|---|---|---|---|
| Controls (n=96) | Covid-19 death (n=24) | Controls (n=80) | Covid-19 death (n=20) | |||
| Sex: | ||||||
| Female | 135 (61) | 52 (54) | 13 (54) | 56 (70) | 14 (70) | |
| Male | 85 (39) | 44 (46) | 11 (46) | 24 (30) | 6 (30) | |
| Type of test: | ||||||
| RT-PCR | 155 (70) | 84 (88) | 21 (88) | 40 (50) | 10 (50) | |
| Antigen | 65 (30) | 12 (12) | 3 (12) | 40 (50) | 10 (50) | |
| Vaccination status: | ||||||
| Unvaccinated | 66 (30) | 34 (35) | 15 (63) | 6 (8) | 11 (55) | |
| Partially vaccinated | 26 (12) | 10 (10) | 2 (8) | 9 (11) | 5 (25) | |
| Fully vaccinated | 109 (50) | 41 (43) | 6 (25) | 60 (75) | 2 (10) | |
| Boosted | 2 (1) | 0 (0) | 0 (0) | 2 (3) | 0 (0) | |
| Other* | 17 (8) | 11 (11) | 1 (4) | 3 (4) | 2 (10) | |
| Period: | ||||||
| Delta | 25 (11) | 20 (21) | 5 (21) | 0 (0) | 0 (0) | |
| Omicron | 195 (89) | 76 (79) | 19 (79) | 80 (100) | 20 (100) | |
| Vaccine effectiveness against omicron related death (95% CI) | 88.1 (70.7 to 95.2) | 66.9 (6.4 to 89.8) | 97.6 (81.0 to 99.7) | |||
CI=confidence interval; RT-PCR=reverse transcription polymerase chain reaction.
*
Includes participants who were vaccinated in the two weeks before their test, those who received another vaccine, and those with inconsistent or incomplete vaccination data.