Table 2.
Prognostic factors of OS in univariate analysis of breast cancer patients were or were not treated with radiotherapy
| Characteristics | Radiotherapy | No Radiotherapy | ||
|---|---|---|---|---|
| RR (95 % CI) | p-value | RR (95 % CI) | p-value | |
| Age | 0.429 | 0.739 | ||
| ≥50 vs. <50 | 0.759 (0.383, 1.503) | 1.098 (0.635, 1.898) | ||
| Tumor size | 0.011 | 0.730 | ||
| ≥2 cm vs. <2 cm | 2.432 (1.203, 4.918) | 1.104 (0.628, 1.944) | ||
| Metastasis lymph node | <0.001 | 0.001 | ||
| 1-3 vs. 0 | 1.878 (0.314, 11.243) | 0.935 (0.433, 2.017) | ||
| ≥4 vs. 0 | 8.151 (2.475, 26.845) | 2.763 (1.415, 5.396) | ||
| TNM stage | <0.001 | <0.001 | ||
| II, III vs. I | 6.624 (2.556, 17.171) | 2.906 (1.681, 5.025) | ||
| SNCG | <0.001 | 0.126 | ||
| Positive vs. Negative | 4.058 (1.929, 8.537) | 1.530 (0.888, 2.638) | ||
| ER | 0.176 | 0.183 | ||
| Positive vs. Negative | 0.613 (0.306, 1.226) | 1.530 (0.818, 2.861) | ||
| PR | 0.485 | 0.232 | ||
| Positive vs. Negative | 0.782 (0.391, 1.561) | 1.423 (0.798, 2.538) | ||
| HER2 | 0.985 | 0.018 | ||
| Positive vs. Negative | 1.008 (0.434, 2.341) | 2.304 (1.152, 4.606) | ||
RR Risk Ratio, CI confidence interval