Table 2 The clinicopathological characteristics of patients undergoing surgery for rectal cancer (n = 413).
Variables | n = 413 (%) | |
|---|---|---|
Age (years) | < 65 | 171 (41.4) |
65–74 | 143 (34.6) | |
> 75 | 99 (24.0) | |
Sex | Female | 176 (42.6) |
Male | 237 (57.4) | |
BMIa | Underweight | 33 (9.8) |
Normal | 120 (35.7) | |
Overweight | 111 (33.0) | |
Obese | 72 (21.4) | |
Time of surgery | 1997–2004 | 129 (31.2) |
2005–2015 | 284 (68.8) | |
ASA gradeb | 1 | 69 (23.2) |
2 | 128 (43.0) | |
3 | 92 (30.9) | |
4 | 9 (3.0) | |
Presentation | Elective | 407 (98.5) |
Emergency | 6 (1.5) | |
Type of surgery | Open | 343 (83.1) |
Laparoscopic | 70 (16.9) | |
Neoadjuvant therapyc | No | 305 (75.3) |
Yes | 100 (24.7) | |
Adjuvant therapyd | No | 281 (71.5) |
Yes | 112 (28.5) | |
T stage | 1 | 42 (10.2) |
2 | 69 (16.7) | |
3 | 251 (60.8) | |
4 | 51 (12.3) | |
N stage | 0 | 253 (61.3) |
1 | 114 (27.6) | |
2 | 46 (11.1) | |
TNM stage | 1 | 88 (21.3) |
2 | 161 (39.0) | |
3 | 164 (39.7) | |
Differentiatione | Mod/well | 375 (90.8) |
Poor | 29 (7.2) | |
Venous invasionf | No | 178 (43.4) |
Yes | 232 (56.6) | |
Margin involvementg | No | 364 (89.0) |
Yes | 45 (11.0) | |
Peritoneal involvementh | No | 371 (90.9) |
Yes | 37 (9.1) | |
Tumour perforationf | No | 404 (98.5) |
Yes | 6 (1.5) | |
Surgical complicationi | No | 209 (56.6) |
Yes | 160 (43.4) |
