Fig. 2.

The predictive model for AIS onset, a The nomogram for predicting AIS onset. Each of the independent predictors was projected upwards to the value of the “points” at the top level of the nomogram to obtain a score within the range of 0–100, and then the total score of these points was recorded to accurately predict the risk of AIS onset. ** means p < 0.05, b The receiver operating characteristic (ROC) curves of the nomogram, XO, hypertension, atrial fibrillation, HbA1c, TC and LDL for predicting AIS onset in the training set. The y-axis meant the truepositive rate of the risk prediction. The x-axis meant the false-positive rate of the risk prediction. c The ROC curves of the nomogram, XO, hypertension, atrial fibrillation, HbA1c, TC and LDL for predicting AIS onset in the testing set. AUC areas under the receiver operating characteristic curve, XO xanthine oxidase, HbA1c glycated hemoglobin, TC total cholesterol, LDL low-density lipoprotein.