ORIGINAL RESEARCH article
Front. Neurol.
Sec. Sleep Disorders
The influencing factors of postoperative sleep disorders in elderly patients undergoing hip replacement surgery under general anesthesia and the construction and validation of a nomogram prediction model
Provisionally accepted
- Hunan Chest Hospital, Changsha, China
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Objective: To explore the influencing factors of postoperative sleep disorders in elderly patients undergoing hip replacement (HR) under general anesthesia, and to construct and validate a nomogram prediction model. Methods: A total of 329 patients who underwent general anesthesia HR surgery in our hospital from December 2021 to December 2023 were retrospectively gathered and grouped into a modelling group (230 cases) and a validation group (99 cases). The modelling group was separated into a sleep disorder group and a no sleep disorder group based on postoperative sleep disorders. Results: Out of 230 patients, 69 experienced sleep disorders, with an incidence rate of 30.00%. Multivariate logistic regression found that age, anesthesia time, surgery time, intraoperative blood loss, postoperative hypoxemia, postoperative VAS score, and postoperative CRP level were risk factors for postoperative sleep disorders in elderly HR patients undergoing general anesthesia (P<0.05). The AUC of the modelling group and validation group was 0.978 and 0.972, and the H-L test showed χ2=7.410 and 7.342, respectively, P=0.762 and 0.752, indicating good consistency. DCA curve showed that when the high-risk threshold probability was between 0.08 and 0.88, the nomogram model had high clinical value. Conclusion: Age, anesthesia time, surgery time, intraoperative blood loss, postoperative hypoxemia, postoperative VAS score, and postoperative CRP level are the influencing factors of postoperative sleep disorders in elderly HR patients undergoing general anesthesia. The nomogram model constructed based on this has good discrimination and consistency, and can predict the postoperative sleep disorders of patients.
Keywords: general anesthesia, Hip replacement surgery, Sleep Disorders, Influencing factors, column chartnomogram
Received: 13 Jul 2025; Accepted: 12 Nov 2025.
Copyright: © 2025 Zhou, Chen and Zhang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Hui Zhang, bobozhan980@sina.com
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