Variables | n | % |
Gender | ||
Male | 34 | 46.6 |
Female | 39 | 53.4 |
Age, years | ||
≤45 | 13 | 17.8 |
>45 | 60 | 82.2 |
Tumor location | ||
Colon | 37 | 50.5 |
Rectum | 36 | 49.5 |
Tumor side | ||
Right | 18 | 24.7 |
Left | 55 | 75.3 |
Histological type* | ||
Mucinous | 11 | 15.3 |
Non-mucinous | 61 | 84.7 |
Degree of differentiation* | ||
Less/moderately differentiated | 62 | 86.1 |
Well-differentiated | 10 | 13.9 |
Angiolymphatic and/or perineural invasion* | ||
Absent | 28 | 38.9 |
Present | 44 | 61.1 |
Lymph node status* | ||
Positive | 28 | 38.9 |
Negative | 44 | 61.1 |
Tumor staging* | ||
I | 13 | 18.1 |
II | 24 | 33.4 |
III + IV | 35 | 48.5 |
Size of the tumor, cm | ||
1 | 2 | 2.7 |
2 | 14 | 19.2 |
3 | 42 | 57.5 |
4 | 15 | 20.5 |
Type of surgery* | ||
Elective | 59 | 81.9 |
Emergency | 13 | 18.1 |
*Variables with 72 cases instead of 73 because medical record of a patient did not have complete data.