用初级诊疗诊断预测骨科手术需求,提升转诊效率。
Primary Care Diagnoses as a Reliable Predictor for Orthopedic Surgical Interventions
- 基于BGE嵌入提取诊断语义,构建轻量高效预测模型。
- 准确率AUC达0.874,手术预测率提升至60.1%。
- 适合医疗系统优化与临床决策支持场景。
转诊流程低效(如误转、延迟)导致患者预后不佳和医疗成本上升。本研究探索基于初级保健诊断记录预测骨科手术需求的可行性,以提升转诊准确性、优化工作流并改善患者照护。分析了德克萨斯大学健康科学中心泰勒分校提供的2,086例骨科转诊去标识数据集,采用基于基础通用嵌入(BGE)的机器学习模型进行语义提取。为确保真实场景适用性,进行了抗噪实验,并使用过采样缓解类别不平衡问题。最优且简约的嵌入模型表现出高预测性能(ROC-AUC: 0.874,MCC: 0.540),能有效区分需手术患者。降维技术证实模型捕捉到有意义的临床关联。阈值敏感性分析确定最佳决策阈值(0.30),在精度与召回间取得平衡,最大化转诊效率。预测分析显示,手术发生率从11.27%提升至最优60.1%,提升433%,对运营效率与医疗收入具有重要意义。结果表明,转诊优化可促进初级与外科护理整合,实现精准及时的手术需求预测,减少延误,改善手术规划,降低行政负担。研究还凸显临床决策支持作为可扩展方案,在提升患者预后与医疗系统效率方面的潜力。
原文摘要 · Abstract (English)
Referral workflow inefficiencies, including misaligned referrals and delays, contribute to suboptimal patient outcomes and higher healthcare costs. In this study, we investigated the possibility of predicting procedural needs based on primary care diagnostic entries, thereby improving referral accuracy, streamlining workflows, and providing better care to patients. A de-identified dataset of 2,086 orthopedic referrals from the University of Texas Health at Tyler was analyzed using machine learning models built on Base General Embeddings (BGE) for semantic extraction. To ensure real-world applicability, noise tolerance experiments were conducted, and oversampling techniques were employed to mitigate class imbalance. The selected optimum and parsimonious embedding model demonstrated high predictive accuracy (ROC-AUC: 0.874, Matthews Correlation Coefficient (MCC): 0.540), effectively distinguishing patients requiring surgical intervention. Dimensionality reduction techniques confirmed the model's ability to capture meaningful clinical relationships. A threshold sensitivity analysis identified an optimal decision threshold (0.30) to balance precision and recall, maximizing referral efficiency. In the predictive modeling analysis, the procedure rate increased from 11.27% to an optimal 60.1%, representing a 433% improvement with significant implications for operational efficiency and healthcare revenue. The results of our study demonstrate that referral optimization can enhance primary and surgical care integration. Through this approach, precise and timely predictions of procedural requirements can be made, thereby minimizing delays, improving surgical planning, and reducing administrative burdens. In addition, the findings highlight the potential of clinical decision support as a scalable solution for improving patient outcomes and the efficiency of the healthcare system.
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