Table 1.
Demographic and clinical characteristics of individuals aged 15 years or older with COVID-19 infection in the PRECOVID Cohort.
| Characteristics | Total (N = 48,415) | Men (N = 20,936) | Women (N = 27,479) |
|---|---|---|---|
| Mean age (sd) | 52.0 (21.10) | 51.7 (20.47) | 52.3 (21.56) |
| Age interval (N, %) | |||
| 15–64 years | 35,106 (72.5%) | 15,279 (73.0%) | 19,827 (72.2%) |
| 65–79 years | 6,961 (14.4%) | 3,431 (16.4%) | 3,530 (12.8%) |
| ≥ 80 years | 6,348 (13.1%) | 2,226 (10.6%) | 4,122 (15.0%) |
| Mean number of chronic diseases (sd) | 3.94 (2.88) | 3.50 (2.61) | 4.29 (3.02) |
| Multimorbidity † (N, %) | |||
| Total | 38,323 (79.2%) | 15,659 (74.8%) | 22,664 (82.5%) |
| 15–64 years | 25,605 (72.9%) | 10,306 (67.5%) | 15,299 (77.2%) |
| 65–79 years | 6,568 (94.4%) | 3,190 (93.0%) | 3,378 (95.7%) |
| ≥ 80 years | 6,150 (96.9%) | 2,163 (97.2%) | 3,987 (96.7%) |
| Outcomes | |||
| Hospitalization (N, %) | 4,586 (9.5%) | 2,400 (11.5%) | 2,186 (8.0%) |
| 30-day-mortality (N, %) | 1,311 (2.7%) | 683 (3.3%) | 628 (2.3%) |
| Severity †† (N, %) | |||
| Total | 5,117 (10.6%) | 2,671 (12.8%) | 2,446 (8.9%) |
| 15–64 years | 1,572 (4.5%) | 903 (5.9%) | 669 (3.4%) |
| 65–79 years | 1,338 (19.2%) | 790 (23.0%) | 548 (15.5%) |
| ≥ 80 years | 2,207 (34.8%) | 978 (43.9%) | 1,229 (29.8%) |
† Multimorbidity, defined as the simultaneous co-existence of two or more chronic diseases, excluding COVID-19; sd, standard deviation; †† Severity, defined as a composite outcome based on the need for hospital admission (including in Intensive Care Units) or 30-day all-cause mortality.