Table 3.
Univariate logistic regression analysis for predicting non-ALNM
| Characteristic | OR | 95% CI | P |
|---|---|---|---|
| Education | |||
| Primary school and below | – | – | |
| Middle school | 0.52 | 0.25, 1.06 | 0.073 |
| College degree and above | 0.97 | 0.45, 2.07 | 0.933 |
| Menopausal status | |||
| Yes | – | – | |
| No | 1.56 | 0.90, 2.71 | 0.115 |
| Reproductive history | |||
| Yes | – | – | |
| No | 3.53 | 0.86, 14.50 | 0.08 |
| CA125(U/mL) | 1.01 | 1.00, 1.02 | 0.242 |
| ER status | |||
| Positive | – | – | |
| Negative | 2.01 | 1.15, 3.53 | 0.015* |
| ER-positive percentage | 0.99 | 0.99, 1.00 | 0.139 |
| PR-positive percentage | 1 | 0.99, 1.01 | 0.454 |
| BI-RADS(US) | |||
| 5 | – | – | |
| 4c | 2.23 | 1.13, 4.41 | 0.021* |
| 4b | 2.44 | 1.11, 5.39 | 0.027* |
| 4a | 8.24 | 3.21, 21.16 | < 0.001*** |
| ALN cortical-medullary boundary | |||
| Unclear | – | – | |
| Clear | 14.31 | 6.93, 29.56 | < 0.001*** |
| ALN cortical thickness | |||
| Thickening | – | – | |
| Normal | 339.44 | 76.39, 1,508.30 | < 0.001*** |
| ALN short-axis diameter (mm) | 0.72 | 0.63, 0.81 | < 0.001*** |
| ALN TIC type | |||
| III | – | – | |
| II | 0.7 | 0.19, 2.61 | 0.592 |
| I | 1.24 | 0.29, 5.40 | 0.773 |
| 0 | 6 | 1.48, 24.30 | 0.012* |
| BI-RADS(MRI) | |||
| V | — | — | |
| III/IV | 14.88 | 5.26, 42.14 | < 0.001*** |
| ALN maximum inflow slope of TIC | 0.98 | 0.83, 1.16 | 0.847 |
OR odds ratio; CI: confidence interval; ER: estrogen receptor; PR: progesterone receptor; ALN: axillary lymph node; TIC: tumor time-intensity curve
*P < 0.05
**P < 0.01
***P < 0.001