Table 2. Univariate logistic regression analysis on pCR (Y [pCR] vs N [no pCR]).
| Variables | Levels | Odds Ratio (95% CI) | P-value |
|---|---|---|---|
| Age (N = 45) | 0.967 (0.91–1.023) | 0.2555 | |
| Menopausal status (N = 44) | Post vs Peri | 0.412 (0–7.824) | 0.5833 |
| Pre vs Peri | 0.5 (0–9.5) | 0.6667 | |
| ER expression (%) (N = 45) | 0.949 (0.896–1.005) | 0.0727 | |
| ER positivity (N = 45) | Pos vs Neg | 0.077 (0.002–0.637) | 0.0091 |
| PR expression (%) (N = 45) | 0.788 (0.554–1.122) | 0.1868 | |
| PR positivity (N = 45) | Pos vs Neg | 0.087 (0–0.462) | 0.0095 |
| HER2 (N = 45) | Pos vs Neg | 1.365 (0.277–6.291) | 0.8945 |
| Ki67 (N = 45) | 1.014 (0.977–1.052) | 0.4761 | |
| Clinical T classification (N = 45) | T3 or T4 vs T1 or T2 | 1.174 (0.250, 6.439) | 1.000 |
| Clinical N classification (N = 45) | N1 vs N0 | 0.739 (0.067–11.208) | 1.0000 |
| N2 vs N0 | 1.299 (0.059–29.113) | 1.0000 | |
| N3 vs N0 | 0.724 (0.072–10.364) | 1.0000 | |
| Grade (N = 42) | >2 vs ≤2 | 7.056 (0.820, 341.457) | 0.0907 |
| Surgery (N = 45) | BCS vs Mastectomy | 0.457 (0.009–4.767) | 0.8653 |
| Epithelial CTCs at T0 (N = 43) | 0.989 (0.964–1.016) | 0.4350 | |
| EMT-CTCs at T0 (N = 43) | 0.977 (0.936–1.020) | 0.2874 |
ER, estrogen receptor; PR, progesterone receptor; BCS, breast conserving surgery; CTC, circulating tumor cell; EMT, epithelial-mesenchymal transition