Table 2.
Patients’ characteristics divided by RT boost’s groups.
| Patient’s Characteristics | Boost Yes | Boost No | p Value § |
|---|---|---|---|
| Sex | 0.368 | ||
| Male | 46 (56.1%) | 59 (62.8%) | |
| Female | 36 (43.9%) | 35 (37.2%) | |
| Age | 0.760 | ||
| ≤50 years | 9 (11%) | 9 (9.6%) | |
| <50 years | 73 (89%) | 85 (90.4%) | |
| cT | 0.644 | ||
| 2 | 1 (1.2%) | 2 (2.1%) | |
| 3 | 49 (59.8%) | 50 (53.2%) | |
| 4 | 32 (39%) | 42 (44.7%) | |
| cN | 0.577 | ||
| 1 | 19 (23.2%) | 21 (22.3%) | |
| 2 | 63 (76.8%) | 73 (77.7%) | |
| EMVI | 0.001 | ||
| + | 9 (11%) | 5 (5.3%) | |
| − | 71 (86.6%) | 69 (73.4%) | |
| N/A | 2 (2.4%) | 20 (21.3%) | |
| Mucinous | 0.003 | ||
| Yes | 4 (4.9%) | 6 (6.4%) | |
| No | 76 (92.7%) | 71 (75.5%) | |
| N/A | 2 (2.4%) | 17 (18.1%) | |
| MRF | 0.834 | ||
| + | 40 (48.8%) | 48 (51.1%) | |
| − | 38 (46.3%) | 43 (45.7%) | |
| N/A | 4 (4.9%) | 3 (3.2%) | |
| Surgery Type | 0.101 | ||
| Anterior Resection (AR) | 53 (64.6%) | 56 (59.6%) | |
| Abdominoperineal Resection (APR) | 20 (24.4%) | 20 (21.3%) | |
| Hartmann | 1 (1.2%) | 5 (5.3%) | |
| Local Excision | 7 (8.5%) | 5 (5.3%) | |
| Colostomy | 1 (1.2%) | 8 (8.5%) | |
| RT dose on T | <0.001 | ||
| 55 Gy | 78 (95.1%) | 71 (75.5%) | |
| <55 Gy | 4 (4.9%) | 23 (24.5%) | |
| RT dose on LPLN | 8.45 | ||
| 55 Gy | 78 (95.1%) | 0 (0%) | |
| <55 Gy | 4 (4.9%) | 94 (100%) |
§ χ2 test.