Variable | Included (n = 376) | Not included (n = 185) | P value | ||
---|---|---|---|---|---|
Value | Missing, n (%) | Value | Missing, n (%) | ||
Male sex, n (%) | 180 (47.9) | 0 (0.0) | 89 (48.1) | 0 (0.0) | 0.858a |
Age (years), mean (SD) | 73.3 (10.9) | 0 (0.0) | 73.6 (13.2) | 0 (0.0) | 0.777b |
Current smoker, n (%) | 34 (9) | 16 (4.3) | 12 (6.5) | 55 (29.7) | 0.943a |
BMI (kg/m2), mean (SD) | 26.6 (4.4) | 4 (1.1) | 25.8 (5.6) | 11 (5.9) | 0.120b |
ASA status, n (%) | 0 (0.0) | 4 (2.2) | < 0.001a | ||
1 | 43 (11.4) | 10 (5.5) | |||
2 | 185 (49.2) | 76 (42.0) | |||
3 | 134 (35.6) | 78 (43.1) | |||
4 | 14 (3.7) | 17 (9.4) | |||
Operated, n (%) | 343 (91.2) | 0 (0.0) | 135 (73.0) | 0 (0.0) | < 0.001a |
Emergency surgery, n (%) | 59/343 (17.2) | 0 (0.0) | 80/135 (59.2) | 0 (0.0) | < 0.001a |
Operation type | 0 (0.0) | 0 (0.0) | < 0.001a | ||
No resection | 16/343 (4.7) | 25/135 (18.5) | |||
Right-sided operation | 191/343 (55.7) | 59/135 (43.7) | |||
Left-sided operation | 117/343 (34.1) | 36/135 (26.7) | |||
Colectomy | 19/343 (5.5) | 14/135 (10.4) | |||
Laparotomy | 0/343 (0.0) | 1/135 (0.7) | |||
Stoma | 0 (0.0) | 0 (0.0) | < 0.001a | ||
Yes, with resection | 89/343 (25.9) | 51/135 (37.8) | |||
Yes, without resection | 14/343 (4.1) | 28/135 (20.7) | |||
No | 240/343 (70.0) | 56/135 (41.4) | |||
TNM stadium, n (%) | 0 (0.0) | 1 (0.5) | < 0.001a | ||
1 | 37 (9.8) | 20 (10.8) | |||
2 | 155 (41.2) | 45 (24.3) | |||
3 | 131 (34.8) | 39 (21.6) | |||
4 | 53 (14.1) | 79 (42.7) | |||
x | 1 (0.6) |