Table 1.
Demographics and postoperative complication rate for colon cancer referred to body mass index
| Underweight | Normal weight | Overweight | Obesity | Total | |
|---|---|---|---|---|---|
| Patient population (n/(%)) | 20 (3) | 296 (43) | 255 (37) | 115 (17) | 686 (100) |
| Age [year] | 67 (31–94) | 66 (25–96) | 68 (31–90) | 68 (31–87) | 67 (25–96) |
| Gender (n/(%)) | |||||
| Male | 4 (20) | 134 (45) | 159 (62) | 70 (61) | 367 (53) |
| Female | 16 (80) | 162 (55) | 96 (38) | 45 (39) | 319 (47) |
| CCI (points/(%)) | |||||
| 0 points | 7 (35) | 111 (38) | 74 (29) | 22 (19) | 214 (31) |
| 1–2 points | 5 (25) | 61 (21) | 77 (30) | 37 (32) | 180 (26) |
| > 2 points | 8 (40) | 124 (42) | 104 (41) | 56 (49) | 292 (43) |
| ASA scorex (n/(%)) | |||||
| 2 | 13 (65) | 178 (63) | 150 (62) | 54 (49) | 395 (59) |
| 3 | 6 (30) | 99 (35) | 84 (35) | 52 (47) | 241 (36) |
| 4 | - | 7 (2) | 8 (3) | 4 (4) | 19 (3) |
| 5 | 1 (5) | - | 1 (< 1) | - | 2 (< 1) |
| Localization (n/(%)) | |||||
| Ascending colon | 12 (60) | 146 (49) | 113 (44) | 55 (48) | 326 (48) |
| Transverse colon | 2 (10) | 24 (8) | 25 (10) | 9 (8) | 60 (9) |
| Descending colon | 3 (15) | 39 (13) | 33 (13) | 11 (10) | 86 (13) |
| Sigmoid colon | 3 (15) | 87 (29) | 84 (33) | 40 (35) | 214 (31) |
| UICC (n/(%)) | |||||
| Stage 0y | - | 10 (3) | 4 (2) | - | 14 (2) |
| Stage I | 2 (10) | 45 (15) | 52 (20) | 23 (20) | 122 (18) |
| Stage II | 7 (35) | 91 (31) | 79 (31) | 42 (37) | 219 (32) |
| Stage III | 4 (20) | 64 (22) | 60 (24) | 21 (18) | 149 (22) |
| Stage IV | 7 (35) | 85 (29) | 60 (24) | 29 (25) | 181 (26) |
| Resection (n/(%)) | |||||
| Right hemicolectomy | 12 (60) | 151 (51) | 120 (47) | 56 (49) | 339 (49) |
| Transverse colon resection | 2 (10) | 11 (4) | 11 (4) | 2 (2) | 26 (4) |
| Left hemicolectomy | 4 (20) | 45 (15) | 34 (13) | 14 (12) | 97 (14) |
| Sigmoid colon resection | 1 (5) | 63 (21) | 57 (22) | 34 (30) | 155 (23) |
| Multisegmental resection | 1 (5) | 26 (9) | 33 (13) | 9 (8) | 69 (10) |
| Approach (n/(%)) | |||||
| Open surgery | 20 (100) | 271 (92) | 243 (95) | 106 (92) | 640 (93) |
| Laparoscopic surgery | - | 25 (8) | 12 (5) | 9 (8) | 46 (7) |
| Bridge-to-surgery | 2 (10) | 18 (6) | 11 (4) | 6 (5) | 37 (5) |
| Emergency surgery | 3 (15) | 27 (9) | 17 (7) | 10 (9) | 57 (8) |
| Simultaneous HIPEC | 1 (5) | 14 (5) | 8 (3) | 1 (< 1) | 24 (3) |
| Wound infection (n/(%)) | |||||
| Yes | - | 20 (6.8) | 23 (9.0) | 11 (9.6) | 54 (7.9) |
| No | 20 (100) | 276 (93.2) | 232 (91.0) | 104 (90.4) | 632 (92.1) |
| Level of wound infection (n/(%)) | |||||
| I° | - | 14 (4.7) | 13 (5.1) | 9 (7.8) | 36 (66.7) |
| II° | - | 4 (1.4) | - | 1 (0.9) | 5 (9.3) |
| III° | - | 1 (0.3) | 4 (1.6) | - | 5 (9.3) |
| IV° | - | 1 (0.3) | 5 (2.0) | 1 (0.9) | 7 (13.0) |
| V° | - | - | 1 (0.4) | - | 1 (1.9) |
| VI° | - | - | - | - | - |
| Total | - | 20 (6.8) | 23 (9.0) | 11 (9.6) | 54 (7.9) |
| Anastomotic leakage (n/(%)) | |||||
| Yes | - | 10 (3.4) | 8 (3.1) | 4 (3.5) | 22 (3.2) |
| No | 20 (100) | 286 (96.6) | 247 (96.9) | 111 (96.5) | 664 (96.8) |
| Level of anastomotic leakage (n/(%)) | |||||
| I° | - | 1 (0.3) | 1 (0.4) | - | 2 (9.1) |
| II° | - | - | - | - | - |
| III° | - | - | - | - | - |
| IV° | - | 7 (2.4) | 3 (1.2) | - | 10 (45.5) |
| V° | - | 2 (0.7) | 3 (1.2) | 2 (0.9) | 7 (31.8) |
| VI° | - | - | 1 (0.4) | 2 (0.9) | 3 (13.6) |
| Total | - | 10 (3.4) | 8 (3.1) | 4 (3.5) | 22 (100) |
| In-hospital mortality (n/(%)) | |||||
| sMOF | 1 (5.0) | 4 (1.4) | 1 (0.4) | 5 (4.3) | 11 (39.3) |
| CV/CP | 1 (5.0) | 8 (2.7) | 4 (1.6) | 4 (3.5) | 17 (60.7) |
| Total | 2 (10.0) | 12 (4.1) | 5 (2.0) | 9 (7.8) | 28 (4.1) |
CCI Charlson Comorbidity Index, ASA score American Society of Anesthesiologists, UICC Union for International Cancer Control, HIPEC hyperthermic intraperitoneal chemotherapy, sMOF septic multi-organ failure, CV/CP cardiovascular/cardiopulmonary conditional organ failure
xpercentages refer to 666 patients because it was undocumented in 31 patients
yUICC 0 was awarded for histopathological findings of a pTis