Table 2.
Data on surgical and postoperative details of 5241 patients diagnosed with locally advanced colonic cancer in Sweden between 2007 and 2017, stratified by hospital volume tertiles
| Annual pT4 colonic cancer hospital volume | |||
|---|---|---|---|
| 1–10 | 11–19 | >19 | |
| Type of resection | |||
| Elective | 1212 (68.9) | 1193 (72.0) | 1338 (73.4) |
| Emergency | 546 (31.0) | 461 (27.8) | 486 (26.6) |
| Missing | 2 (0.1) | 3 (0.2) | – |
| Anastomotic leakage | |||
| Yes | 68 (3.9) | 66 (4.0) | 60 (3.3) |
| No | 1692 (96.1) | 1591 (96.0) | 1764 (96.7) |
| Stoma at tumour resection | |||
| Yes | 351 (19.9) | 332 (20.0) | 482 (26.4) |
| No | 1409 (80.1) | 1325 (80.0) | 1342 (73.6) |
| Median number of harvested lymph nodes (range) | 19 (0–94) | 20 (0–99) | 25 (1–99) |
| pN category | |||
| N0 | 662 (37.6) | 579 (34.9) | 670 (36.7) |
| N1–2 | 1090 (61.9) | 1073 (64.8) | 1149 (63.0) |
| Missing | 8 (0.5) | 5 (0.3) | 5 (0.3) |
| Radical resection | |||
| Radical | 1414 (80.3) | 1434 (86.5) | 1637 (89.8) |
| Non-radical | 342 (19.4) | 218 (13.2) | 179 (9.8) |
| Missing | 4 (0.2) | 5 (0.3) | 8 (0.4) |
| Highest surgical experience | |||
| Colorectal surgeon | 1494 (84.9) | 1509 (91.1) | 1651 (90.5) |
| General surgeon | 248 (14.1) | 131 (7.9) | 163 (8.9) |
| Resident | 7 (0.4) | 6 (0.4) | 1 (0.1) |
| Missing | 11 (0.6) | 11 (0.7) | 9 (0.5) |
| Postoperative MDT assessment | |||
| Yes | 1007 (57.2) | 1298 (78.3) | 1489 (81.6) |
| No | 753 (42.8) | 359 (21.7) | 335 (18.4) |
| Duration of hospital stay (days), median (range) | 9 (1–108) | 9 (1–73) | 9 (1–156) |
Values are n (%) unless otherwise indicated. MDT, multidisciplinary team.