Table 3.

Diagnostic performance of BI-RADS lexicon model for differentiating breast cancer subtypes in the main cohort.

Experiment	AUC	ACC (%)	SEN (%)	SPC (%)	YI (%)
Luminal A vs. non-luminal A	0.628	0.522	0.436	0.822	0.258
Luminal vs. non-luminal	0.494	0.668	0.222	0.846	0.068
Triple-negative vs. non-triple-negative	0.553	0.575	0.576	0.575	0.151

BI-RADS, Breast Imaging-Reporting and Data System; AUC, area under the curve; ACC, accuracy; SEN, sensitivity; SPC, specificity; YI, Youden’s index.