开发和验证用于预测患有传染性内心炎的ICU患者在医院内死亡率的诺姆图
Dongyang Che1, Jinlin Hu2, Jialiang Zhu3
1Department of Cardiovascular Surgery, The First Affiliated Hospital of Jinan University, 510630, Guangzhou, Guangdong Province, People's Republic of China.
BMC medical informatics and decision making
|March 22, 2024
概括
一种新型的诺米图准确地预测了ICU感染性内心炎 (IE) 患者的住院死亡率. 该工具通过识别高风险患者及时干预来帮助临床决策.
科学领域:
- 关键护理医学 关键护理医学
- 心脏病学 心脏病学
- 医疗信息学 医疗信息学
背景情况:
- 传染性内心炎 (IE) 与显著的住院死亡率有关.
- 准确预测死亡率对于管理IE的ICU患者至关重要.
研究的目的:
- 开发和验证用于预测患有IE的ICU患者在医院内死亡率的诺姆图.
- 为临床医生提供一个工具,以帮助决策和治疗策略.
主要方法:
- 利用了来自MIMIC IV数据库的676名IE患者的回顾性数据.
- 使用最小绝对缩小和选择操作员 (LASSO) 回归来确定预测因素.
- 构建了一个后勤回归模型,并生成了一个动态名图,通过ROC曲线,校准图和决策曲线分析进行验证.
主要成果:
- 最终的模型包括五个预测因素:乳酸,二碳酸盐,白细胞计数 (WBC),血小板计数和前血栓时间 (PT).
- 诺米图表表现出强大的预测性能,AUC值为0.843 (训练) 和0.891 (验证).
- 校准和决策曲线分析证实了该模型的准确性和临床实用性,优于现有的评分系统.
结论:
- 开发的诺米图谱是一种非常准确的工具,用于预测IE的ICU患者的住院死亡率.
- 这种预测模型可以帮助临床医生在患者管理和治疗决策中.
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