Table 1 Characteristics of patients and tumors
Characteristics | Non radiotherapy n (%) | Radiotherapy n (%) |
|---|---|---|
Gender | ||
Male | 44 (57) | 42 (63) |
Female | 33 (43) | 25 (37) |
Age (years) | ||
≤70 | 45 (58) | 45 (67) |
>70 | 32 (42) | 22 (33) |
TNM stage | ||
I | 19 (25) | 20 (30) |
II | 19 (25) | 22 (33) |
III | 35 (45) | 19 (28) |
IV | 4 (5) | 6 (9) |
Differentiation | ||
Good | 60 (78) | 49 (73) |
Poor | 17 (22) | 18 (27) |
Number of malignancies | ||
Single | 65 (84) | 55 (82) |
Multiple | 10 (13) | 12 (18) |
Unknown | 2 (3) | 0 |
Surgical type | ||
Rectal amputation | 42 (55) | 24 (36) |
Anterior resection | 35 (45) | 43 (64) |
Resection margin | ||
Tumor free | 73 (95) | 63 (94) |
Tumor | 4 (5) | 4 (6) |
Distance to anal verge (cm) | ||
Mean | 7.4 | 8.6 |