期刊
CLINICAL INTERVENTIONS IN AGING
卷 16, 期 -, 页码 1303-1313出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/CIA.S312129
关键词
atherosclerosis; age; sex; risk factors
资金
- National Key R&D Program of China [2018YFC1312700]
- Natural Science Foundation of China [81700379]
- Personal Training Program for Clinical Medicine Research of Army Medical University [2018XLC1007]
A nomogram for predicting subclinical atherosclerosis in CKD patients without dialysis was developed and validated in this study, showing good predictive accuracy. Male gender, age, hypertension, diabetes, CKD stage, calcium, platelet, and albumin were identified as risk factors for atherosclerosis.
Purpose: Atherosclerosis contributes substantially to cardiovascular mortality in patients with chronic kidney disease (CKD). But precise risk model for subclinical atherosclerosis in the CKD population is still lacking. The study aimed to develop and validate a nomogram for screening subclinical atherosclerosis among CKD patients without dialysis. Patients and Methods: A total of 1452 CKD stage 1-5 has been recruited in this cross-sectional study. Subclinical atherosclerosis was diagnosed with carotid ultrasonography. Patients were divided into the training set and validation set. The risk factors of atherosclerosis were identified by the training set and confirmed by the validation set. The receiver operating characteristic (ROC) curves and decision curve analyses (DCA) were executed to evaluate the accuracy of fitted logistic models in training and validation sets. Finally, a nomogram based on constructed logistic regression model in all participants was plotted. Results: A total of 669 (46.1%) patients were diagnosed with subclinical carotid atherosclerosis. Binary logistic regression analysis showed that males, age, hypertension, diabetes, CKD stages, calcium, platelet, and albumin were risk factors for atherosclerosis. The accuracy of fitted logistic models was evaluated by the area under the ROC curve (AUC), which showed good predictive accuracy in the training set (AUC=0.764 (95% Confidence interval (CI): 0.733-0.794) and validation set (AUC=0.808 (95% CI: 0.765-0.852). A high net benefit was also proven by the DCA. Finally, these predictors were all included to generate the nomogram. Conclusion: This proposed nomogram shows excellent predictive ability and might have a significant clinical implication for detecting subclinical atherosclerosis in patients with CKD.
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