Table 1 Patient characteristics
Characteristics | Surgery only, N = 57 (%) | Radiotherapy plus surgery, N = 94 (%) | p |
|---|---|---|---|
Follow-up time | 0.62 | ||
Median (years) | 4.0 | 4.4 | |
Range (years) | 0.2–11.2 | 0.01–11.3 | |
Age | 0.01 | ||
Median (years) | 71 | 66 | |
Range (years) | 32–88 | 37–86 | |
Gender | 0.87 | ||
Male | 28 (49) | 44 (47) | |
Female | 29 (51) | 50 (53) | |
BMI | 1.0 | ||
≤ 25 kg/m2 | 23 (40) | 44 (47) | |
> 25 kg/m2 | 19 (33) | 38 (40) | |
Missinga | 15 (27) | 12 (13) | |
Tumor distance from anal verge | 0.17 | ||
≤ 6 cm | 17 (30) | 39 (42) | |
> 6 cm | 40 (70) | 55 (58) | |
Type of surgery | 0.10 | ||
Anterior resection (AR) | 40 (70) | 78 (83) | |
Abdominoperineal excision (APE) | 11 (19) | 13 (14) | |
Hartmann’s procedure | 6 (11) | 3 (3) | |
Macroscopically curative surgery | 56 (98) | 93 (99) | 1.0 |
Postoperative chemotherapy | 35 (61) | 82 (87) | < 0.001 |
Death | 24 (42) | 27 (29) | 0.11 |
Cancer-related death | 17 (30) | 20 (21) | 0.25 |