基于MRI影像组学的BI-RADS 3-5类乳腺病变三分类

韩冰,徐晶,王远军,王中领

Classification of BI-RADS 3-5 Breast Lesions Based on MRI Radiomics

HAN Bing,XU Jing,WANG Yuanjun,WANG Zhongling

表5 基于各种特征的不同模型对乳腺病变BI-RADS 3-5类的诊断效能

Table 5 Diagnostic efficacy of different models based on various features for classification of BI-RADS 3-5 breast lesions

特征 模型 准确率 Kappa系数 海明损失 Micro AUC Macro AUC 平扫特征 SVM 64.86% 0.419 0.297 0.848 0.820 RF 70.27% 0.421 0.333 0.878 0.846 KNN 70.27% 0.421 0.333 0.830 0.769 LR 71.43% 0.421 0.333 0.858 0.882 增强特征 SVM 70.27% 0.428 0.297 0.895 0.847 RF 86.49% 0.428 0.297 0.928 0.862 KNN 76.19% 0.445 0.297 0.875 0.828 LR 78.57% 0.428 0.297 0.948 0.929 融合特征 SVM 81.25% 0.606 0.224 0.881 0.855 RF 87.50% 0.676 0.188 0.951 0.988 KNN 78.38% 0.606 0.224 0.886 0.867 LR 81.25% 0.606 0.224 0.961 0.989