Table 3.
Anatomopathological characteristics of group I vs. group II
| Data items | Total study Population | Group I PCS |
Group II MCS-DST |
p-value |
|---|---|---|---|---|
| N (%) | 64 (100) | 35 (54.6%) | 29 (45.4%) | |
| Cancer, n (%) | 44 (68.7%) | 19 (54.3%) | 25 (86.2%) | 0.007 |
| Median tumor size, cm (IQR) | 3.8 (2.5-5) | 3.5 (2.3-5.0) | 3,7 (2.5–5.2) | 0.454 |
| TNM classification | ||||
| T0 | 5 (11.3%) | 2 (10.5%) | 3 (12%) | 0.612 |
| T1 | 5 (11.3%) | 3 (15.8%) | 2 (8%) | |
| T2 | 10 (22.3%) | 6 (31.6%) | 4 (16%) | |
| T3 | 19 (43.2%) | 6 (31.6%) | 13 (52%) | |
| T4 | 5 (11.4%) | (10.5%) | 3 (12%) | |
| N0 | 28 (63.4%) | 13 (68.4%) | 15 (60%) | 0.753 |
| N1 | 11 (25%) | 5 (26.3%) | 6 (24%) | 1.000 |
| N2 | 5 (11.3%) | 1 (5.2%) | 4 (16%) | 0.370 |
| R0 | 44 (100%) | 19 (100%) | 25 (100%) | 1.000 |
| Median of Lymph nodes resected, n (IQR) | 32 (23–46) | 33 (25–46) | 30 (21–45) | 0.909 |
| T-Stage | ||||
| I | 16 (36.4%) | 7 (36.8%) | 9 (36%) | 1.000 |
| II | 15 (34.1%) | 6 (31.6%) | 9 (36%) | 1.000 |
| III | 14 (31.8%) | 6 (31.6%) | 8 (32%) | 1.000 |
| IV | 0 | 0 | 0 | 1.000 |
| Perineural invasion, n (%) | 9 (20.4%) | 4 (21.1%) | 5 (20%) | 1.000 |
| Lymphovascular invasion, n (%) | ||||
| Lymphatic embolus | 13 (29.5%) | 5 (26.3%) | 8 (32%) | 0.748 |
| Vascular Embolus | 19 (43.2%) | 10 (52.6%) | 9 (36%) | 0.360 |
| Cancer Cell Differentiation n (%) | ||||
| Well differentiated | 10 (22.7%) | 5 (26.3%) | 5 (20%) | 0.881 |
| Moderately differentiated | 31 (70.4%) | 13 (68.4%) | 18 (72%) | |
| Poorly differentiated | 3 (6.8%) | 1 (5.2%) | 2 (8%) | |
| Rectal cuff (cm), median (IQR) | 1.5 (1–2) | 1.5 (1–2) | 1.5 (1–2) | 0.759 |
| Median colic cuff lenght, cm (IQR) | 1.7(1.5-2.0) | 1.6 (1.5-2.0) | 1.8 (1–2) | 0.859 |
Tumors were staged according to the TNM classification of the 8th edition of the American Joint Committee of Cancer. MCS-DSTThree-row manual staplers, PCS and two-row power circular staplers
Legend: IQR interquartile range