ArticleEuropean journal of medical research2025
Development and validation of a predictive model for postoperative hypercoagulability in middle-aged and elderly patients undergoing total knee arthroplasty: a retrospective study.
Article in European journal of medical research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTo investigate the risk factors associated with postoperative hypercoagulability in patients undergoing total knee arthroplasty (TKA), and subsequently develop a predictive model to facilitate early decision-making and intervention, aiming to reduce the incidence of postoperative blood hypercoagulation, as well as the occurrence of postoperative complications.
methodsRetrospective research was conducted on 490 hospitalized patients who underwent total knee arthroplasty at Northern Jiangsu People's Hospital. Univariate and multivariate analyses were performed using SPSS software to identify the independent risk factors associated with postoperative hypercoagulable state in patients undergoing total knee arthroplasty. A Nomogram prediction model was developed using R software, followed by analysis and evaluation through receiver operating characteristic curves (ROC), calibration curves, and decision curves.
resultsThe multivariate analysis revealed that preoperative hospital stay, hypertension, diabetes, coronary heart disease, intraoperative blood loss, platelet count, and fibrinogen were identified as independent risk factors for postoperative hypercoagulability in patients undergoing total knee arthroplasty. The prediction model nomogram and ROC curve were constructed using R software with an area under the curve (AUC) of 0.898, sensitivity of 0.768, and specificity of 0.902 in the training set. In the validation set, the AUC was 0.896 with a sensitivity of 0.956 and specificity of 0.735.
conclusionsThe risk prediction model developed in this study exhibits exceptional discriminatory power and accuracy, facilitating effective anticipation of postoperative hypercoagulation in patients. This model serves as a valuable tool for early clinical identification of hypercoagulability.
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