A prediction nomogram for deep venous thrombosis risk in patients undergoing primary total hip and knee arthroplasty: a retrospective study.

"Declarations Ethics approval and consent to participateAll procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study and the subject described in this report. Protocol approved by the Ethical Committee of Sun Yat-sen Memorial Hospital of Sun Yat-sen University. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This study was funded by the The National Key R&D Program of China (No.2021YFA1102600), National Natural Science Foundation of China (No. 82002293, 82272443), Guangdong Basic and Applied Basic Research Foundation (Grant No. 2019A1515011647, 2023A1515010501, 2022A1515010256), Science and Technology Planning Project of Guangzhou City, China (Grant No. 202201020495, 202201020481)."