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Multiple regression analysis showing the effect of different characteristics on VI.
| Factor | Favorable | Unfavorable | P value | β | t value | Lower 0.95 | Upper 0.95 |
|---|---|---|---|---|---|---|---|
| ER | Positive | Negative | 0.046 | -0.288 | -2.007 | -0.571 | -0.005 |
| Ki-67 | <20% | ≥20% | 0.035 | 0.355 | 2.120 | 0.025 | 0.684 |
| Size | >2cm | ≤2cm | 0.023 | -0.306 | -2.287 | -0.570 | -0.042 |
ER, estrogen receptor.
