Table 2. Population characteristics of the HF and CF groups.
| Variables | Patients, n (%) | P value | |
|---|---|---|---|
| HF group (n=53) | CF group (n=54) | ||
| Age (mean ± SD) (years) | 42.17±7.846 | 45.33±11.243 | 0.095 |
| T stage | 0.633 | ||
| T1 | 34 (64.2) | 37 (68.5) | |
| T2 | 19 (35.8) | 17 (31.5) | |
| N stage | 0.426 | ||
| N0 | 47 (88.7) | 45 (83.3) | |
| N1 | 6 (11.3) | 9 (16.7) | |
| Pathological type | 0.575 | ||
| Invasive ductal carcinoma | 43 (81.1) | 46 (85.2) | |
| Others | 10 (18.9) | 8 (14.8) | |
| Hormone status | 0.364 | ||
| ER (+) and/or PR (+) | 35 (66.0) | 40 (74.1) | |
| ER (−) combined with PR (−) | 18 (34.0) | 14 (25.9) | |
| Her2 expression | 0.475 | ||
| Positive | 8 (15.1) | 11 (20.4) | |
| Negative | 45 (84.9) | 43 (79.6) | |
| Side of the tumor | 0.381 | ||
| Left | 23 (43.4) | 28 (51.9) | |
| Right | 30 (56.6) | 26 (48.1) | |
HF, hypofractionated radiotherapy; CF, conventional fractioned radiotherapy; ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal growth factor receptor; SD, standard deviation.