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Table 2 Prognostic factors of OS in univariate analysis of breast cancer patients were or were not treated with radiotherapy

From: Overexpression of synuclein-γ predicts lack of benefit from radiotherapy for breast cancer patients

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)  
  1. RR Risk Ratio, CI confidence interval