Inflammation-lipid metabolism biomarker-based machine learning models for predicting postoperative pulmonary metastasis in colorectal cancer

Figure 1 Flow chart of the study design. CRC: Colorectal cancer; KNN: K-Nearest Neighbors; SVM: Support Vector Machine; MLP: Multi-Layer Perceptron; GBDT: Gradient Boosting Decision Tree; AUC: Area under the curve; AUROC: Area under the receiver operating characteristic; PPV: Positive predictive value; NPV: Negative predictive value; SHAP: SHapley Additive exPlanations; LCR: Lymphocyte-to-C-reactive protein ratio; BMI: Body mass index; ApoB/ApoA1: Apolipoprotein B-to-apolipoprotein A1 ratio.