Application of directed acyclic graphs in evidence-based medicine

VernacularTitle:有向无环图在循证医学中的应用
Author: Ziyan LIU ¹ ; Xiaoli WU ; Meiqiu XIE ; Zhipeng WANG ; Aizhong LIU
Author Information

1. 中南大学湘雅公共卫生学院流行病与卫生统计系
Keywords: Directed acyclic graphs; Evidence-based medicine; Confounding bias; Collider-stratification bias
From: Journal of Chinese Physician 2018;20(2):180-182
CountryChina
Language:Chinese
Abstract: Evidence-based medicine (EBM) is a kind of clinic practice where clinicians use the best and the latest available evidence to diagnose and treat patients, and both evidence providers and users need to identify and control different kinds of biases in medical research.Directed acyclic graphsis is a tool to explore the causal relationship.The possible biases in the study can be revealed in a simple graphical language.The use of directed acyclic graphs could avoid the occurrence of bias and improve the quality of medical research and better guide clinical practice.