TABLE 1.
Characteristics of 14,930 CRC Patients Undergoing Surgery Immediately Before and During the COVID-19 Pandemic Period in the English National Health Service
| Elective Surgery | Emergency Surgery | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Before Pandemic | During Pandemic | Before Pandemic | During Pandemic | ||||||
| N | % | N | % | N | % | N | % | ||
| Total | 9424 | 2427 | 2279 | 800 | |||||
| Age group (y) | <50 | 611 | 6.5 | 176 | 7.6 | 242 | 10.6 | 78 | 9.8 |
| 50–59 | 1315 | 14.0 | 345 | 14.9 | 326 | 14.3 | 115 | 14.4 | |
| 60–74 | 4487 | 47.7 | 1110 | 47.9 | 890 | 39.1 | 305 | 38.2 | |
| 75–84 | 2446 | 26.0 | 594 | 25.7 | 590 | 25.9 | 215 | 26.9 | |
| ≥85 | 542 | 5.8 | 90 | 3.9 | 228 | 10.0 | 86 | 10.8 | |
| Missing | 23 (0.2) | 112 (4.6) | 3 (0.1) | 1 (0.1) | |||||
| Gender | Male | 5327 | 56.5 | 1358 | 56.0 | 1259 | 55.2 | 435 | 54.4 |
| Female | 4097 | 43.5 | 1069 | 44.0 | 1020 | 44.8 | 365 | 45.6 | |
| Tumor site | Caucus/appendix/ascending colon | 2563 | 27.2 | 671 | 27.6 | 623 | 27.3 | 221 | 27.6 |
| Hepatic flexure | 404 | 4.3 | 102 | 4.2 | 108 | 4.7 | 33 | 4.1 | |
| Transverse colon | 607 | 6.4 | 168 | 6.9 | 191 | 8.4 | 75 | 9.4 | |
| Splenic flexure/descending colon | 447 | 4.7 | 101 | 4.2 | 232 | 10.2 | 87 | 10.9 | |
| Sigmoid colon | 1907 | 20.2 | 450 | 18.5 | 576 | 25.3 | 202 | 25.2 | |
| Rectosigmoid | 684 | 7.3 | 192 | 7.9 | 166 | 7.3 | 61 | 7.6 | |
| Rectum | 2731 | 29.0 | 711 | 29.3 | 326 | 14.3 | 98 | 12.3 | |
| Not classified | 81 | 0.9 | 32 | 1.3 | 57 | 2.5 | 23 | 2.9 | |
| Stage IV CRC | 743 | 7.9 | 182 | 7.5 | 682 | 29.9 | 219 | 27.4 | |
| Comorbidities | 0 | 4973 | 52.8 | 1348 | 55.5 | 1132 | 49.7 | 400 | 50.0 |
| 1 | 2861 | 30.4 | 739 | 30.4 | 727 | 31.9 | 245 | 30.6 | |
| ≥2 | 1590 | 16.9 | 340 | 14.0 | 420 | 18.4 | 155 | 19.4 | |
| Surgical procedure | Right hemi/transverse colectomy | 3572 | 37.9 | 940 | 38.7 | 842 | 36.9 | 304 | 38.0 |
| Left hemicolectomy | 367 | 3.9 | 77 | 3.2 | 53 | 2.3 | 10 | 1.3 | |
| Sigmoid colectomy | 363 | 3.9 | 75 | 3.1 | 34 | 1.5 | 7 | 0.9 | |
| Total/subtotal colectomy | 299 | 3.2 | 81 | 3.3 | 110 | 4.8 | 37 | 4.6 | |
| Anterior resection | 2920 | 31.0 | 656 | 27.0 | 78 | 3.4 | 20 | 2.5 | |
| APER /pelvic exenteration | 711 | 7.5 | 168 | 6.9 | 15 | 0.7 | 4 | 0.5 | |
| Hartmann’s | 542 | 5.8 | 270 | 11.1 | 361 | 15.8 | 144 | 18.0 | |
| Stoma | 546 | 5.8 | 131 | 5.4 | 588 | 25.8 | 182 | 22.8 | |
| Stent | 104 | 1.1 | 29 | 1.2 | 198 | 8.7 | 92 | 11.5 | |
| National quintiles socioeconomic deprivation (IMDQ) | 1 (most deprived) | 1419 | 15.2 | 302 | 13.1 | 402 | 17.8 | 117 | 14.8 |
| 2 | 1673 | 18.0 | 411 | 17.9 | 404 | 17.9 | 143 | 18.1 | |
| 3 | 1886 | 20.2 | 475 | 20.7 | 488 | 21.6 | 182 | 23.0 | |
| 4 | 2177 | 23.4 | 581 | 25.3 | 456 | 20.2 | 184 | 23.2 | |
| 5 (most affluent) | 2165 | 23.2 | 531 | 23.1 | 506 | 22.4 | 166 | 21.0 | |
| Missing | 104 (1.1) | 127 (5.2) | 253 (1.0) | 8 (1.0) | |||||
| COVID-19 ICD-10 code recorded during operative admission | 36 | 0.4 | 47 | 1.9 | 11 | 0.5 | 50 | 6.3 | |
| Total patients undergoing a major resection | 8774 | 2267 | 1493 | 526 | |||||
| Laparoscopic surgery performed | 5485 | 62.5 | 814 | 35.9 | 264 | 17.7 | 51 | 9.7 | |
| Critical care admission | 687 | 7.8 | 116 | 5.1 | 192 | 12.9 | 60 | 11.4 | |
APER, abdominoperineal excision of rectum; CRC, colorectal cancer; ICD-10, International Classification of Diseases, 10th revision; IMDQ, index of multiple deprivation quintiles.