基于索赔的脆弱性代理使用不同脆弱性确认回顾窗口的性能
Emilie D Duchesneau1, Til Stürmer2,3, Dae Hyun Kim4,5
1Department of Epidemiology and Prevention, Division of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, NC.
Medical care
|March 18, 2024
概括
福罗脆弱性指数是福罗脆弱性指数.
科学领域:
- 老年学和老年医学是老年学和老年医学.
- 生物统计学和健康信息学
背景情况:
- 虚弱是一种与衰老相关的综合征,其特点是生理储备减少.
- 福罗特脆弱性指数是一种经过验证的基于医疗保险索赔的代理,用于预测脆弱性.
研究的目的:
- 评估法罗特脆弱指数在预测脆弱表型和1年死亡率方面的有效性.
- 评估不同确定窗口持续时间对指数表现的影响.
主要方法:
- 在国家健康和衰老趋势研究中利用了老年人 (66岁以上) 的数据与医疗保险索赔联系.
- 通过使用脆弱性表型评估黄金标准脆弱性.
- 使用3,6,8,12个月和所有可用的回顾窗口计算了法罗特脆弱指数.
- 评估了校准和歧视的模型性能,并评估了1年死亡率预测.
主要成果:
- 6个月和8个月的窗口显示出最好的脆弱现象型校准.
- 所有可用的回顾提供了最好的歧视,但校准不佳.
- 死亡率预测在3个月的窗口中最强,在较长的窗口中下降.
- 黑人和西班牙裔个体的表现明显更差.
结论:
- 最佳的法鲁特脆弱指数确定窗口取决于临床背景,平衡歧视,校准和死亡率预测.
- 建议进行不同持续时间的灵敏度分析,以获得可靠的推断.
- 需要进一步的研究来提高跨种族和种族群体的预测准确性.
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