[在一般人群中建立和验证胆结石疾病的预测模型:多中心研究]
Wenqian Yu1, Jing Xia1, Fangyuan Chen1
1/ ( 610041) West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China.
概括
一个新的简化胆结石病 (GSD) 风险预测模型是使用超过96,000名患者的数据开发的. 该模型包括性别,年龄和BMI等因素,提供与完整模型相似的准确性,有助于早期识别GSD风险.
科学领域:
- 胃肠病学和肝病学
- 预防医学 预防医学
- 生物统计学 生物统计学
背景情况:
- 胆结石病 (GSD) 是一种普遍存在的消化系统疾病,对健康有重大影响.
- 由于不完整的因素和验证问题,现有的GSD风险预测模型在一般人群中的适用性面临限制.
- 对于用于早期识别和干预的普遍适用的 GSD 风险预测模型有着至关重要的需求.
研究的目的:
- 使用大型多中心队列构建和验证一个完整和简化的GSD风险预测模型.
- 确定与GSD相关的关键风险因素.
- 为一般人群提供可访问的GSD风险评估工具.
主要方法:
- 一项多中心研究包括96,426名参与者.
- 使用后勤回归分析来识别GSD风险因素并构建一个完整的模型.
- 从完整模型中得出一个简化的模型,专注于关键变量.
- 在内部和外部数据集中使用校准曲线,AUC和决策曲线分析 (DCA) 验证了模型性能.
主要成果:
- 确定的主要危险因素包括女性性别,晚年,较高的BMI,禁食血葡萄糖和脂肪肝疾病.
- 一个包含性别,年龄,BMI,胆囊多和脂肪肝疾病的简化模型表现出色.
- 完整模型和简化模型都显示出良好的一致性,歧视性和临床实用性,它们之间没有显著的性能差异.
- 完整模型的AUC从71.7%到75.3%不等,简化模型的AUC从71.5%到75.4%不等.
结论:
- 该研究成功开发和验证了完整和简化的GSD风险预测模型.
- 简化模型使用较少的变量,提供与完整模型相比可比的预测准确性和临床影响.
- 推简化模型用于实际应用,以提高GSD查效率并促进早期干预.
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