Table 2a The clinicopathological characteristics of patients undergoing surgery for colon cancer (n = 801)
Variables | n = 801 (%) |
|---|---|
Age (years) | |
<65 | 248 (31) |
65–74 | 270 (34) |
>75 | 283 (35) |
Sex | |
Female | 371 (46) |
Male | 430 (54) |
BMIa | |
Underweight | 72 (12) |
Normal | 190 (31) |
Overweight | 192 (32) |
Obese | 153 (25) |
ASA gradeb | |
1 | 97 (17) |
2 | 243 (42) |
3 | 208 (36) |
4 | 29 (5) |
Presentation | |
Elective | 689 (86) |
Emergency | 112 (14) |
Type of surgery | |
Open | 679 (85) |
Laparoscopic | 122 (15) |
Neoadjuvant therapyc | |
No | 782 (99) |
Yes | 8 (1) |
Adjuvant therapyd | |
No | 574 (75) |
Yes | 194 (25) |
T stage | |
1 | 52 (6) |
2 | 76 (10) |
3 | 418 (52) |
4 | 255 (32) |
N stage | |
0 | 507 (63) |
1 | 207 (26) |
2 | 87 (11) |
TNM stage | |
1 | 116 (14) |
2 | 391 (49) |
3 | 294 (37) |
Differentiatione | |
Mod/well | 709 (89) |
Poor | 86 (11) |
Venous invasionf | |
No | 383 (48) |
Yes | 416 (52) |
Margin involvementf | |
No | 757 (95) |
Yes | 42 (5) |
Peritoneal involvementf | |
No | 578 (72) |
Yes | 221 (28) |
Tumour perforationf | |
No | 772 (97) |
Yes | 27 (3) |
