Table 1.
Patients’ and tumour characteristics for 2158 patients
| Clavien-Dindo classification | All n = 2158 |
0 n = 1691 |
I n = 141 |
II n = 162 |
III n = 112 |
IV n = 52 |
p |
|---|---|---|---|---|---|---|---|
| N (%) | n (%) | n (%) | n (%) | n (%) | n (%) | ||
| Age median (range) (years) | 64.5 (17–94) | 64 (17–94) | 66 (21–87) | 67 (36–93) | 65 (35–88) | 71 (39–90) | < 0.001 |
| Sex | |||||||
| Male | 1351 (62.6) | 1038 (61.4) | 92 (65.2) | 99 (61.1) | 87 (77.7) | 35 (67) | |
| Female | 807 (37.4) | 653 (38.6) | 49 (34.8) | 63 (38.9) | 25 (22.3) | 17 (33) | 0.011 |
| ASA* | |||||||
| ASA I–II | 1498 (81.7) | 1200 (83.7) | 93 (77.5) | 114 (78.6) | 65 (69.9) | 26 (61) | |
| ASA III–IV | 336 (18.3) | 233 (16.3) | 27 (22.5) | 31 (21.4) | 28 (30.1) | 17 (40) | < 0.001 |
| Tumour site | |||||||
| Colon | 990 (45.9) | 807 (47.7) | 61 (43.3) | 62 (38.3) | 33 (29.5) | 27 (52) | |
| Rectum | 1168 (54.1) | 884 (52.3) | 80 (56.7) | 100 (61.7) | 79 (70.5) | 25 (48) | < 0.001 |
| Surgical procedure | |||||||
| (Low) anterior resection | 951 (44.1) | 747 (44.2) | 48 (34.0) | 77 (47.5) | 57 (50.9) | 22 (42) | |
| Abdominoperineal excision | 216 (10.0) | 138 (8.2) | 30 (21.3) | 23 (14.2) | 22 (19.6) | 3 (6) | |
| Colon standard resection | 787 (36.5) | 656 (38.8) | 40 (28.4) | 50 (30.9) | 26 (23.2) | 15 (29) | |
| Colon extended resection | 204 (9.5) | 150 (8.9) | 23 (16.3) | 12 (7.4) | 7 (6.3) | 12 (23) | < 0.001 |
| Multivisceral resection | 246 (11.4) | 170 (10.1) | 26 (18.4) | 23 (14.2) | 17 (15.2) | 10 (19) | 0.003 |
| Multimodal treatment | |||||||
| Neoadjuvant treatment | 550 (25.5) | 420 (24.8) | 37 (26.2) | 43 (26.5) | 39 (34.8) | 11 (21.2) | 0.187 |
| Adjuvant treatment | 658 (30.5) | 537 (31.8) | 44 (31.2) | 41 (25.3) | 28 (25.0) | 8 (15.4) | 0.032 |
| Adjuvant treatment for rectal carcinoma stage II,III | 162/342 (47.4) | 126/253 (49.8) | 10/29 (34) | 11/34 (32) | 10/17 (59) | 5/9 (56) | 0.150 |
| Adjuvant treatment for colon carcinoma stage III | 215/312 (68.9) | 186/257 (72.4) | 14/17 (82) | 10/15 (67) | 5/12 (42) | 0/11 (0) | < 0.001 |
| pT category | |||||||
| pT1,2/ypT0,1,2 | 998 (46.2) | 790 (46.7) | 53 (37.6) | 76 (46.9) | 59 (52.7) | 20 (38) | |
| pT3/ypT3 | 1028 (47.6) | 801 (47.4) | 80 (56.7) | 74 (45.7) | 45 (40.2) | 28 (54) | |
| pT4/ypT4 | 132 (6.1) | 100 (5.9) | 8 (5.7) | 12 (7.4) | 8 (7.1) | 4 (8) | 0.309 |
| pN category | |||||||
| pN0/ypN0 | 1491 (69.1) | 1166 (69.0) | 95 (67.4) | 119 (73.5) | 81 (72.3) | 30 (58) | |
| pN1,2/ypN1,2 | 667 (30.9) | 525 (31.0) | 46 (32.6) | 43 (26.5) | 31 (27.7) | 22 (42) | 0.290 |
| Stage (UICC) | |||||||
| Stage I | 573 (26.6) | 454 (26.8) | 32 (22.7) | 42 (25.9) | 33 (29.5) | 12 (23) | |
| Stage II | 535 (24.8) | 424 (25.1) | 37 (26.2) | 46 (28.4) | 17 (15.2) | 11 (21) | |
| Stage III | 500 (23.2) | 393 (23.2) | 35 (24.8) | 31 (19.1) | 23 (20.5) | 18 (35) | |
| Stage y0 | 73 (3.4) | 60 (3.5) | 2 (1.4) | 4 (2.5) | 7 (6.3) | 0 | |
| Stage yI | 164 (7.6) | 127 (7.5) | 6 (4.3) | 17 (10.5) | 12 (10.7) | 2 (4) | |
| Stage yII | 146 (6.8) | 101 (6.0) | 18 (12.8) | 10 (6.2) | 12 (10.7) | 5 (10) | |
| Stage yIII | 167 (7.7) | 132 (7.8) | 11 (7.8) | 12 (7.4) | 8 (7.1) | 4 (8) | 0.045 |
ASA American Society of Anesthesiologists Classification; *ASA missing in 324 patients