预测哥伦比亚脏移植后的5年生存率,使用生存益处估计工具
Laura Nino-Torres1, Andrea García-Lopez2, Nasly Patino-Jaramillo2
1Department of Transplant Surgery, Colombiana de Trasplantes, Bogotá, Colombia.
PloS one
|August 25, 2023
概括
生存效益估计器 (SBE) 工具高估了移植 (KT) 后患者的实际生存率. 虽然提供了适度的歧视,但它对特定患者群体的实用性可能有限.
科学领域:
- 科和移植手术 移植手术
- 生物统计学和预测建模
背景情况:
- 移植 (KT) 的成功受到复杂的捐赠者和接受者因素的影响.
- 生存效益估计器 (SBE) 工具估计了KT后的生存率,有助于临床决策.
研究的目的:
- 评估SBE工具对移植后患者5年生存期的预测性能.
主要方法:
- 对1145位已故捐赠者KT接受者的回顾性队列研究 (2009-2021年).
- 使用SBE工具计算预测患者存活率 (PPS) 和生存益处 (SB).
- 使用五分位子组和考克斯回归模型 (PPS,EPTS,KDPI) 进行预测与实际生存的比较.
主要成果:
- 实际患者存活率为86.2%,SBE预测PPS为89.3%,SB为18.7%.
- 在所有五分位数中,实际生存率始终低于预测.
- PPS是一个保护因素 (HR 0.66),而EPTS (HR 8.9) 和KDPI (HR 3.25) 是风险因素;模式歧视:KDPI 0.59,PPS 0.65,EPTS 0.66.
结论:
- 在这个队列中,SBE工具高估了患者的实际存活率.
- 该SBE工具显示中度歧视,但其临床实用性可能仅限于此特定人群.
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