Relationship between FAR,SII and Caprini Score and Postoperative Deep Venous Thrombosis of Lower Extremity in Elderly Patients with Lung Cancer and Construction of a Risk Warning Model
Objective:To investigate the relationship between fibrinogen/albumin ratio(FAR),systemic immune inflammation in-dex(SII)and Caprini score and postoperative deep venous thrombosis(DVT)of lower extremity in elderly patients with lung cancer,and to construct a nomogram risk warning model.Methods:According to whether the lower extremity DVT occurred in 352 elderly patients with lung cancer after operation,they were divided into occurrence group(84 cases)and non-occurrence group(268 cases).The FAR,SII and Caprini score of the patients at 1 day after operation were detected.The influencing factors of postoperative lower extremity DVT in elderly patients with lung cancer were analyzed by Logistic regression,and build a nomogram risk warning model.Results:Combined di-abetes mellitus,hyperlipidemia,preoperative chemotherapy,prolonged postoperative bed duration,and increased FAR,SII,and Caprini score were independent risk factors for postoperative lower extremity DVT in elderly patients with lung cancer(P＜0.05).The prediction curve of the nomogram risk early warning model was in good agreement with the ideal curve,and the H-L test P＞0.05.Conclusion:The increase of FAR,SII and Caprini score are independent risk factors for postoperative lower extremity DVT in elderly patients with lung cancer,and construction of nomogram risk warning model has a high predictive value for postoperative lower extremity DVT in elderly patients with lung cancer.
ElderlyLung cancerFARSIICaprini scoreDeep venous thrombosis of lower extremityNomogram
NETL
NSTL
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