Table 3.

Univariate analysis in predicting axillary lymph node metastasis.

Parameters	Odds Ratios	95% CI	P
Lesion size ≥20 mm	0.334	2.321–9.115	<0.001*
Taller than wide shape	0.215	3.404–14.536	<0.001*
Rich internal flow	5.575	2.804–11.084	<0.001*
VTI score ≥5	7.772	3.772–16.015	<0.001*
Histologic grade III	0.182	11.118–62.698	<0.001*
Positive C-erbB-2	5.400	2.680–10.881	<0.001*

CI confidence interval. *Indicates statistically significant difference.