Table 5.
Multivariate analysis of DFS and OS according to clinical pathological variables
| Variables | DFS | OS | |||||
|---|---|---|---|---|---|---|---|
| HR | 95 % CL | P-value | HR | 95 % CL | P-value | ||
| Age (years) | ≤50 vs. >50 | 0.786 | 0.404-1.527 | 0.477 | 0.698 | 0.340-1.432 | 0.327 |
| Tumor size (cm)a | ≤2 vs. >2, ≤5 vs. >5 | 1.283 | 0.721-2.281 | 0.397 | 1.405 | 0.760-2.598 | 0.279 |
| Lymph node stage | negative vs. positive | 2.167 | 0.980-4.796 | 0.056 | 2.001 | 0.864-4.637 | 0.106 |
| Grade | G1 vs. G2 vs. G3 | 1.286 | 0.756-2.186 | 0.353 | 1.273 | 0.722-2.246 | 0.404 |
| Histological type | IDC vs. ILC vs. Others | 0.742 | 0.422-1.306 | 0.301 | 0.651 | 0.345-1.228 | 0.185 |
| Combined grouping | others vs. PELP1, Ki-67 double high | 2.020 | 1.022-3.990 | 0.043 | 2.380 | 1.138-4.978 | 0.021 |
Abbreviations: LN, lymph node; DFS, disease-free survival; OS, overall survival; HR, hazard ratio; 95 % CL, 95 % confidence interval
Note: afor the variable, data for two cases are unavailable from medical records