Table 4.
Results of multivariable analyses of the entire cohort (a) and the Luminal B/HER2− (b) carcinoma subtype
| OR | 95% CI for OR | p value | ||
|---|---|---|---|---|
| Lower | Upper | |||
| a. Multivariable analysis—entire cohort | ||||
| Maximum radiological diameter | 0.991 | 0.968 | 1.014 | 0.442 |
| Lobular carcinoma | 3.591 | 0.895 | 14.408 | 0.071 |
| TILs absent | 1.906 | 0.693 | 5.239 | 0.211 |
| Necrosis absent | 2.011 | 0.722 | 5.599 | 0.181 |
| Low grade (G1 + G2) | 0.594 | 0.191 | 1.851 | 0.369 |
| ER positive (>1%) | 0.940 | 0.256 | 3.457 | 0.926 |
| PgR positive (>20 %) | 1.710 | 0.549 | 5.330 | 0.355 |
| HER2 negative | 1.739 | 0.518 | 5.833 | 0.370 |
| Mitotic number ≤ 9 | 3.323 | 1.081 | 10.211 | 0.036 |
| Ki-67 < 18 % | 0.626 | 0.192 | 2.042 | 0.437 |
| b. Multivariable analysis – Luminal B/HER2− subtype | ||||
| Maximum radiological diameter | 0.979 | 0.938 | 1.022 | 0.331 |
| Lobular carcinoma | 12.503 | 1.390 | 112.445 | 0.024 |
| TILs absent | 6.254 | 1.343 | 29.126 | 0.020 |
| Necrosis absent | 1.096 | 0.204 | 5.888 | 0.915 |
| Low grade (G1 + G2) | 0.167 | 0.026 | 1.062 | 0.058 |
| Mitotic number ≤ 9 | 2.695 | 0.503 | 14.425 | 0.247 |
OR odds ratio, CI confidence interval