Table 1. Patient characteristics (n=187).
| Feature | Frequency (n, %) |
|---|---|
|
Gender (n=186) | |
| Male | 92 (49.5) |
| Female |
94 (50.5) |
|
Age (years) | |
| Mean (min, max) |
68.1 (35–93) |
|
Tumor size (mm) | |
| Mean (min, max) |
4.5 (1–12) |
|
Histological subtype (n=187) | |
| Non-mucinous | 163 (87.2) |
| Mucinous |
24 (12.8) |
|
Tumor location (n=186) | |
| Left-side | 115 (61.8) |
| Right-side | 45 (24.2) |
| Rectum |
26 (14.0) |
|
Tumor grade (n=187) | |
| G1–2 | 118 (63.1) |
| G3 |
69 (36.9) |
|
pT (n=187) | |
| pT1–2 | 49 (26.2) |
| pT3–4 |
138 (73.8) |
|
pN (n=187) | |
| pN0 | 95 (50.8) |
| pN1–2 |
92 (49.2) |
|
pM (n=186) | |
| pM0 | 169 (90.9) |
| pM1 |
17 (9.1) |
|
V (n=187) | |
| V+ | 29 (15.5) |
| V− |
158 (84.5) |
|
L (n=187) | |
| L+ | 75 (40.1) |
| L− |
112 (59.9) |
|
Tumor budding (n=187) | |
| Low-grade | 105 (56.2) |
| High-grade |
82 (43.9) |
|
Tumor growth pattern (n=187) | |
| Infiltrating | 134 (71.7) |
| Pushing |
53 (28.3) |
|
Post-operative therapy (n=187) | |
| None | 69 (36.9) |
| Chemo | 75 (40.1) |
| Chemo+radio | 42 (22.5) |
| Radio |
1 (0.5) |
|
Mismatch repair status (n=186) | |
| Proficient | 173 (93.0) |
| Deficient |
13 (7.0) |
|
KRAS mutation (codon 12/13), (n=171) | |
| Wild type | 113 (66.1) |
| Mutated |
58 (33.9) |
|
Survival time (n=186) | |
| Months | 47 (35–58) |