Table 1.
Characteristics and treatment factors of patients.
| Variables | Strata | Hypofractionated RT n=26 | Conventional RT n = 46 | p-value | ||
|---|---|---|---|---|---|---|
| No. or Median (range) | (%) | No. or Median (range) | (%) | |||
| Age | 51 (39–75) | 54 (35–76) | 0.61 | |||
| Primary site | Right | 12 | (43%) | 19 | (40%) | 0.87 |
| Left | 14 | (50%) | 27 | (57%) | ||
| Histology | IDC | 19 | (70%) | 31 | (67%) | 0.72 |
| DCIS | 6 | (22%) | 11 | (24%) | ||
| Other | 1 | (4%) | 4 | (9%) | ||
| pT category | is | 6 | (22%) | 11 | (24%) | 0.68 |
| 1 | 16 | (59%) | 22 | (48%) | ||
| 2 | 4 | (15%) | 11 | (24%) | ||
| 3 | 0 | (0%) | 1 | (2%) | ||
| 4 | 0 | (0%) | 1 | (2%) | ||
| pN category | 0 | 24 | (89%) | 35 | (76%) | 0.16 |
| 1- | 2 | (7%) | 11 | (24%) | ||
| Chemotherapy | Yes | 7 | (27%) | 15 | (33%) | 0.61 |
| No | 19 | (73%) | 31 | (67%) | ||
| Hormonal therapy | Yes | 9 | (35%) | 13 | (28%) | 0.57 |
| No | 17 | (65%) | 33 | (72%) | ||
| Examined fraction | Even fraction 2nd, 4th, 6th. | 9 | (35%) | 13 | (28%) | 0.76 |
| Odds fraction 1st, 3rd, 5th | 17 | (65%) | 33 | (72%) | ||
| Maximal dose | (Gy) | 46.4 ± 2.82 | 53.9 ± 1.7 | <0.0001 | ||
IDC: invasive ductal carcinoma, DCIS; ductal carcinoma in situ.