Prevaccination cases | Prevaccination controls | Postvaccination cases | Postvaccination controls | |
Total number of patients | 7805 | 27 620 | 57 550 | 225 160 |
Mean age, years | 44.3 | 44.1 | 42.4 | 42.4 |
Sex (%) | ||||
Male | 47.7 | 46.9 | 47.4 | 47.3 |
Female | 52.3 | 53.1 | 52.6 | 52.7 |
Ethnicity (%) | ||||
White | 90.8 | 91.4 | 93.8 | 94.5 |
Asian | 7.4 | 7.1 | 2.6 | 2.2 |
Black | 0.2 | 0.2 | 0.4 | 0.3 |
Mixed | 0.0 | 0.0 | 0.1 | 0.1 |
Other | 0.3 | 0.2 | 0.4 | 0.3 |
Unknown | 1.3 | 1.1 | 2.8 | 2.6 |
Vaccination status (%) | ||||
Partial | N/A | N/A | 8.0 | 7.6 |
Full | N/A | N/A | 92.0 | 92.4 |
CHD severity (%) | ||||
Mild | 66.5 | N/A | 68.5 | N/A |
Moderate | 29.1 | N/A | 27.4 | N/A |
Severe | 4.4 | N/A | 4.1 | N/A |
Pulmonary hypertension or cyanosis (%) | 2.1 | N/A | 1.6 | N/A |
Fontan circulation (%) | 0.1 | N/A | 0.1 | N/A |
CHD, congenital heart disease.