Table 1.
Baseline characteristics for the whole COVID-19 cohort and for the non-hospitalisation, hospitalisation, ITU admission, and encephalopathy cohorts during the illness
| All patients | Patients without hospitalisation | Patients with hospitalisation | Patients with ITU admission | Patients with encephalopathy | ||
|---|---|---|---|---|---|---|
| Cohort size | 236 379 (100·0%) | 190 077 (100·0%) | 46 302 (100·0%) | 8945 (100·0%) | 6229 (100·0%) | |
| Demographics | ||||||
| Age, years | 46 (19·7) | 43·3 (19·0) | 57 (18·7) | 59·1 (17·3) | 66·7 (17·0) | |
| Sex | ||||||
| Male | 104 015 (44·0%) | 81 512 (42·9%) | 22 503 (48·6%) | 5196 (58·1%) | 3307 (53·1%) | |
| Female | 131 460 (55·6%) | 107 730 (56·7%) | 23 730 (51·3%) | 3743 (41·8%) | 2909 (46·7%) | |
| Other | 904 (0·4%) | 835 (0·4%) | 69 (0·1%) | 10 (0·1%) | 13 (0·2%) | |
| Race | ||||||
| White | 135 143 (57·2%) | 109 635 (57·7%) | 25 508 (55·1%) | 4918 (55·0%) | 3331 (53·5%) | |
| Black or African American | 44 459 (18·8%) | 33 868 (17·8%) | 10 591 (22·9%) | 2184 (24·4%) | 1552 (24·9%) | |
| Unknown | 48 085 (20·3%) | 39 841 (21·0%) | 8244 (17·8%) | 1457 (16·3%) | 1071 (17·2%) | |
| Ethnicity | ||||||
| Hispanic or Latino | 37 772 (16·0%) | 29 155 (15·3%) | 8617 (18·6%) | 2248 (25·1%) | 895 (14·4%) | |
| Not Hispanic or Latino | 134 075 (56·7%) | 106 844 (56·2%) | 27 231 (58·8%) | 5041 (56·4%) | 3873 (62·2%) | |
| Unknown | 64 532 (27·3%) | 54 078 (28·5%) | 10 454 (22·6%) | 1656 (18·5%) | 1461 (23·5%) | |
| Comorbidities | ||||||
| Overweight and obesity | 42 871 (18·1%) | 30 198 (15·9%) | 12 673 (27·4%) | 3062 (34·2%) | 1838 (29·5%) | |
| Hypertensive disease | 71 014 (30·0%) | 47 516 (25·0%) | 23 498 (50·7%) | 5569 (62·3%) | 4591 (73·7%) | |
| Type 2 diabetes | 36 696 (15·5%) | 22 518 (11·8%) | 14 178 (30·6%) | 3787 (42·3%) | 2890 (46·4%) | |
| Asthma | 25 104 (10·6%) | 19 834 (10·4%) | 5270 (11·4%) | 1132 (12·7%) | 755 (12·1%) | |
| Nicotine dependence | 17 105 (7·2%) | 12 639 (6·6%) | 4466 (9·6%) | 1042 (11·6%) | 803 (12·9%) | |
| Substance use disorder | 24 870 (10·5%) | 18 173 (9·6%) | 6697 (14·5%) | 1620 (18·1%) | 1316 (21·1%) | |
| Ischaemic heart diseases | 21 082 (8·9%) | 11 815 (6·2%) | 9267 (20·0%) | 2460 (27·5%) | 2200 (35·3%) | |
| Other forms of heart disease | 42 431 (18·0%) | 26 066 (13·7%) | 16 365 (35·3%) | 4678 (52·3%) | 3694 (59·3%) | |
| Chronic kidney disease | 15 908 (6·7%) | 8345 (4·4%) | 7563 (16·3%) | 1941 (21·7%) | 1892 (30·4%) | |
| Neoplasms | 45 255 (19·1%) | 34 362 (18·1%) | 10 893 (23·5%) | 2339 (26·1%) | 1793 (28·8%) | |
Data are n (%) or mean (SD). Only characteristics with a prevalence higher than 5% in the whole population are displayed. Additional baseline characteristics are presented in the appendix (pp 25–27). ITU=intensive therapy unit.