梯形大小与整个梯形甲手腕假肢的失败之间的关联. 一个生存分析分析
Clarisa Simón-Pérez1,2, Miguel Angel Martín-Ferrero3, Pedro Hernandez-Cortes4
1Discipline of Orthopaedics, University of Valladolid, Valladolid, Spain. clarisa.simon@uva.es.
Archives of orthopaedic and trauma surgery
|September 13, 2024
概括
无水泥全形甲手腕假肢 (TTMPs) 显示出优异的长期存活率,更大的形尺寸与更好的结果相关. 患者的年龄,梯形形态和并发症会影响TTMP失败的风险.
科学领域:
- 整形外科手术 整形外科手术
- 生物材料科学 生物材料科学
- 医疗器械技术 医疗器械技术
背景情况:
- 整体形甲手腕假肢 (TTMPs) 用于治疗形甲手腕关节炎.
- 评估长期存活率和影响TTMP衰竭的因素对于临床决策至关重要.
研究的目的:
- 评估无水泥TTMP的20年生存功能.
- 为了根据形体大小来比较生存率.
- 用多变量分析分析小梯形尺寸对TTMP故障风险的影响.
主要方法:
- 一项对221名接受TTMP植入的患者的观察性队列研究.
- 卡普兰-梅尔和精算生命表方法用于生存分析.
- 多变量考克斯回归以确定影响TTMP故障风险的混因素.
主要成果:
- 对于TTMPs的20年生存机会为89.01%.
- 在较大的梯形尺寸和较高的TTMP存活率 (p < 0.001) 之间观察到显著的积极趋势.
- 小梯形尺寸 (<9毫米) 最初与失败风险增加有关 (HR:7.37),但年龄,形态和并发症充当了混因素 (调整后HR:3.76).
结论:
- 无水泥TTMP表现出强大的长期功能生存能力.
- 更大的梯形尺寸与改善的TTMP寿命有关.
- 患者特定的因素,如年龄,形形态和手术并发症,改变了TTMP失败的风险.
相关概念视频
Survival Curves
931
Survival curves are graphical representations that depict the survival experience of a population over time, offering an intuitive way to track the proportion of individuals who remain event-free at each time point. These curves are widely used in fields such as medicine, public health, and reliability engineering to visualize and compare survival probabilities across different groups or conditions.
The Kaplan-Meier estimator is the most common method for constructing survival curves. This...
The Kaplan-Meier estimator is the most common method for constructing survival curves. This...
931
Survival Tree
499
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
499


