Table 1 Demographic characteristics of patients included in the study and validation cohort in this investigation
Study cohort | Validation Cohort | |
|---|---|---|
Variable | Value | Value |
Number of patients | 133 | 55 |
Mean (range): | ||
Patients age, years | 70 (41–87) | 74.5 (42–90) |
Follow-up, months | 44 (1–84) | 26 (1–60) |
n (%) | n (%) | |
Gender: | ||
Female | 72 (54.13 %) | 28 (50.91 %) |
Male | 61 (45.87 %) | 27 (49.09 %) |
Histological Grade | ||
I | 22 (16.54 %) | 3 (5.45 %) |
II | 90 (67.67 %) | 36 (65.45 %) |
III | 21 (15.79 %) | 16 (29.09 %) |
Tumor status | ||
T1 | 11 (8.27 %) | 2 (3.64 %) |
T2 | 12 (9.02 %) | 12 (21.82 %) |
T3 | 87 (65.42 %) | 33 (60.00 %) |
T4 | 23 (17.29 %) | 8 (14.55 %) |
Nodal status | ||
No | 62 (46.62 %) | 32 (58.18 %) |
N1 | 36 (27.07 %) | 15 (27.27 %) |
N2 | 25 (18.79 %) | 8(14.55 %) |
Not available | 10 (7.52 %) | - |
TNM stage | ||
I | 7 (5.26 %) | 10 (18.18 %) |
II | 52 (39.09 %) | 19 (34.55 %) |
III | 53 (39.86 %) | 17 (30.91 %) |
IV | 12 (9.02 %) | 9 (16.36 %) |
Not available | 9 (6.77 %) | - |
Tumor location | ||
Right colon | 54 (40.60 %) | 21 (31.18 %) |
Left colon | 79 (59.40 %) | 34 (61.82 %) |
Histological type | ||
Mucinous | 19 (14.29 %) | 5 (9.09 %) |
Non-mucinous | 114 (85.71 %) | 50 (90.91 %) |