Table 1.
Patient characteristics. Numbers are presented as n (%) unless otherwise stated. ∗Numbers suppressed to maintain patient anonymity. SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; sd, standard deviation; IQR, inter-quartile range; IMD, Index of Multiple Deprivation.
| All patients | SARS-CoV-2 status |
|||||
|---|---|---|---|---|---|---|
| None | Preoperative | Perioperative | Postoperative | Any time | ||
| N | 2 666 978 | 2 638 201 (98.9%) | 18 484 (0.7%) | 2875 (0.1%) | 7418 (0.3%) | 28 777 (1.1%) |
| Age | ||||||
| Mean (sd) | 57 (20) | 57 (20) | 62 (18) | 64 (21) | 76 (15) | 65 (20) |
| Median (IQR) | 60 (40–74) | 60 (40–74) | 63 (50–75) | 68 (49–81) | 79 (68–87) | 68 (51–81) |
| Sex | ||||||
| Male | 1 182 896 (44.4%) | 1 168 372 (98.8%) | 4279 (0.4%) | 8829 (0.7%) | 1416 (0.1%) | 14 524 (1.2%) |
| Female | 1 483 913 (55.6%) | 1 469 660 (99%) | 3139 (0.2%) | 9655 (0.7%) | 1459 (0.1%) | 14 253 (1%) |
| Unspecified | 169 (0.0%) | 169 (0.0%) | ∗ (%∗) | ∗ (%∗) | ∗ (%∗) | ∗ (%∗) |
| Admission category | ||||||
| Elective | 1 859 998 (69.7%) | 1 857 586 (99.9%) | 809 (0%) | 1456 (0.1%) | 147 (0%) | 2412 (0.1%) |
| Emergency | 582 292 (21.8%) | 559 374 (96.1%) | 5543 (1%) | 14 721 (2.5%) | 2654 (0.5%) | 22 918 (3.9%) |
| Other | 21 762 (0.8%) | 20 568 (94.5%) | 634 (2.9%) | 491 (2.3%) | 69 (0.3%) | 1194 (5.5%) |
| Maternity | 202 926 (7.6%) | 200 673 (98.9%) | 432 (0.2%) | 1816 (0.9%) | ∗ (%∗) | 2253 (1.1%) |
| Inpatient/day-case | ||||||
| Inpatient | 1 343 864 (50.4%) | 1 315 606 (97.9%) | 7049 (0.5%) | 18 337 (1.4%) | 2872 (0.2%) | 28 258 (2.1%) |
| Day-case | 1 323 114 (49.6%) | 1 322 595 (100%) | 369 (0%) | 147 (0%) | ∗ (%∗) | 519 (0%) |
| Charlson Comorbidity Index | ||||||
| Score >0 | 1 238 969 (46.5%) | 1 217 783 (98.3%) | 5781 (0.5%) | 12 920 (1%) | 2485 (0.2%) | 21 186 (1.7%) |
| Index of Multiple Deprivation | ||||||
| 1 – most deprived | 514 727 (19.3%) | 507 170 (98.5%) | 2109 (0.4%) | 4818 (0.9%) | 630 (0.1%) | 7557 (1.5%) |
| 2 | 526 432 (19.7%) | 520 243 (98.8%) | 1680 (0.3%) | 3966 (0.8%) | 543 (0.1%) | 6189 (1.2%) |
| 3 | 532 351 (20.0%) | 526 934 (99%) | 1361 (0.3%) | 3486 (0.7%) | 570 (0.1%) | 5417 (1%) |
| 4 | 534 211 (20.0%) | 529 434 (99.1%) | 1152 (0.2%) | 3075 (0.6%) | 550 (0.1%) | 4777 (0.9%) |
| 5 – least deprived | 532 808 (20.0%) | 528 280 (99.2%) | 1059 (0.2%) | 2918 (0.5%) | 551 (0.1%) | 4528 (0.8%) |
| Missing IMD status | 26 449 (1.0%) | 26 140 (98.8%) | 57 (0.2%) | 221 (0.8%) | 31 (0.1%) | 309 (1.2%) |