描绘患者报告的结果指标在指向非循环图中:对因果推理的实践和影响
Matthew Franklin1, Tessa Peasgood2, Peter W G Tennant3,4,5
1Sheffield Centre for Health and Related Research (SCHARR), School of Medicine and Population Health, The University of Sheffield, Regent Court, 30 Regent Street, Sheffield, S1 4DA, UK. matt.franklin@sheffield.ac.uk.
概括
使用患者报告的结果指标 (PROMs) 估计因果关系是复杂的. 定向非循环图 (DAG) 有助于可视化PROM关系,指导观察性研究中的因果推理,特别是在多维形成性措施中.
科学领域:
- 因果推理方法的方法论.
- 心理测量学和测量理论
- 观察性的健康研究.
背景情况:
- 对患者报告结果指标 (PROMs) 的因果影响估计因PROMs的内部结构而复杂.
- 定向非循环图 (DAG) 提供了一个视觉框架来表示这些复杂的关系.
研究的目的:
- 展示如何使用DAG来表示PROM内部因果结构.
- 解释观察数据中因果效应估计的含义,考虑外部变量.
主要方法:
- 利用DAG来建模PROM指标-根据反射和形成性测量理论构建关系.
- 将模型应用于单维 (例如PHQ-9) 和多维 (例如EQ-5D) PROM.
主要成果:
- 在反射模型下的单维PROM对于因果分析很简单.
- 在形成模型下的多维PROM需要特别注意指标和外部变量,以准确估计因果关系.
结论:
- 多维形成性PROM增加了因果分析的复杂性,但对于结果广泛的研究是有价值的.
- 将PROM纳入DAG有助于在观测环境中进行因果分析,特别是对细微的暴露-结果关系.
相关概念视频
Guidelines for Writing Outcome
3.0K
When developing expected outcomes for a patient care plan, the nurse should adhere to the following recommendations:
Patient outcomes reflect the patient's response to the goal rather than what the nurse aims to achieve. Terminology should be observable and measurable to avoid the reader's interpretation. The desired outcome should be realistic and achievable in the designated care timeframe. Expected outcomes should align with adjunctive therapies. The outcome should enhance care...
Patient outcomes reflect the patient's response to the goal rather than what the nurse aims to achieve. Terminology should be observable and measurable to avoid the reader's interpretation. The desired outcome should be realistic and achievable in the designated care timeframe. Expected outcomes should align with adjunctive therapies. The outcome should enhance care...
3.0K
Causality in Epidemiology
899
Causality or causation is a fundamental concept in epidemiology, vital for understanding the relationships between various factors and health outcomes. Despite its importance, there's no single, universally accepted definition of causality within the discipline. Drawing from a systematic review, causality in epidemiology encompasses several definitions, including production, necessary and sufficient, sufficient-component, counterfactual, and probabilistic models. Each has its strengths and...
899
Methods of Documentation VI: Case Management Model
633
The case management model is a multidisciplinary approach that involves healthcare professionals from diverse disciplines, such as physicians, nurses, therapists, social workers, and pharmacists, working collaboratively to address the various needs of patients. Each healthcare professional brings unique expertise and perspectives, contributing to a more comprehensive understanding of the patient's condition and tailoring treatment plans accordingly.
For example, a patient with a chronic...
For example, a patient with a chronic...
633
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
182
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
182
Methods of Documentation IV: Focus Charting
1.1K
Focus Charting, also known as the focus charting system or "focus documentation," is a systematic documentation approach used in healthcare to organize patient information in medical records.
It typically involves three columns for recording information:
It typically involves three columns for recording information:
1.1K
Criteria for Causality: Bradford Hill Criteria - II
673
The Bradford Hill criteria serve as guidelines for establishing causative links in epidemiological research. Beyond Strength, Consistency, Specificity, and Temporality, key criteria also include Biological Gradient, Plausibility, Coherence, Experiment, and Analogy. These principles assist scientists in assessing the likelihood of causation in complex biological contexts. Below is a summary of these concepts:
673


