Table 1.
Summary population characteristics for OUH training cohorts (OUH pre-pandemic and “wave one”), prospective validation cohort (OUH), independent validation cohorts of patients admitted to three independent NHS Trusts (PUH, UHB, BH).
| OUH (pre-pandemic & “wave one” cases, to 30/06/2020) | OUH | PUH | UHB | BH | ||
|---|---|---|---|---|---|---|
| Cohort | Pre-pandemic cohort | COVID-19-cases cohort | 01/10/2020-06/03/2021 | 01/03/2020-28/02/2021 | 01/12/2019-29/10/2020 | 01/01/2021-31/03/2021 |
| n, patients | 114,957 | 701 | 22,857 | 37,896 | 10,293 | 1177 |
| n, COVID positive | 0 | 701 | 2012 (8.80%) | 2005 (5.29%) | 439 (4.27%) | 144 (12.2%) |
| Sex: | ||||||
| - Male (%) | 53,370 (46.43) | 376 (53.64) | 11,409 (49.91) | 20839 (54.99) | 4831 (46.93) | 627 (53.27) |
| - Female (%) | 61,587 (53.57) | 325 (46.36) | 11,448 (50.09) | 17,054 (45.0) | 5462 (53.07) | 549 (46.64) |
| Age, yr (IQR) | 60 (38–76) | 72 (55–82) | 67 (49–80) | 69 (48–2) | 63 (42–79) | 68.0 (48–82) |
| Ethnicity: | ||||||
| -White (%) | 93,921 (81.7) | 480 (68.47) | 17,387 (76.07) | 28,704 (75.74) | 6848 (66.53) | 1024 (87.0) |
| -Not Stated (%) | 13,602 (11.83) | 128 (18.26) | 4127 (18.06) | 8389 (22.14) | 1061 (10.31) | ≤10 |
| -South Asian (%) | 2754 (2.4) | 22 (3.14) | 441 (1.93) | 170 (0.45) | 1357 (13.18) | 71 (6.03) |
| -Chinese (%) | 284 (0.25) | * | 51 (0.22) | 42 (0.11) | 41 (0.4) | ≤10 |
| -Black (%) | 1418 (1.23) | 25 (3.57) | 279 (1.22) | 187 (0.49) | 484 (4.7) | 36 (3.06) |
| -Other (%) | 1840 (1.6) | 34 (4.85)* | 410 (1.79) | 269 (0.71) | 333 (3.24) | 29 (2.46) |
| -Mixed (%) | 1138 (0.99) | 12 (1.71) | 162 (0.71) | 135 (0.36) | 169 (1.64) | 13 (1.1) |
*indicates merging for statistical disclosure control.