NMA的证据质量分级: 在线工具CINeMA (Confidence in Network Meta-Analysis),专门用于评价NMA证据 质量(Available from cinema.ispm.ch),评价的 主要内容仍然基于GRADE五个降级因素,分别 为:偏倚风险、间接性、不一致性、不精确性 和发表偏倚。 参考: 孙凤,杨智荣,张天嵩,等. 网络Meta分析研究进展系列之一:概述[J...
早期的诊断准确性试验的Meta分析(即Moses-Littenberg合并ROC曲 线)允许纳入具有不同诊断阈值的诊断试验进行 准确性的Meta分析,不同诊断阈值是异质性的一个重要来源 2018年,Owen等开发的诊断性试验NMA才成功解决了这一问题, 对同一情景下多种诊断试验同时进行比较,给出到底哪种诊断试验具有最佳的诊断准确性和最佳 的...
进行网状Meta回归:使用适当的函数进行网状Meta回归分析,将效应值和协方差矩阵作为输入,并指定模型的相关参数,如模型类型、随机效应或固定效应模型等。 进行后续分析:根据需要,可以使用各种函数和图形来分析模型的结果,如森林图、箱线图、效应量图等。 讨论分析发表偏倚、异质性等:评估纳入研究的偏倚风险,筛选文献,并对...
Network meta-analysis (NMA) extends the principles of conventional meta-analysis to allow assessment of multiple treatments in a single analysis. Hence it is also called as multiple treatment meta-analysis or mixed treatment comparisons. Importantly NMA can provide evidence on 'relative ranking' of ...
Stata软件network组命令在网状Meta分析中的应用. 中国循证医学杂志, 2015, 15(11): 1352-1356. doi: 10.7507/1672-2531.20150221[2] 参考 ^Dias S, Welton NJ, Sutton AJ, et al. Nice Dsu Technical Support Document 2: a Generalised Linear Modelling Framework For Pairwise And Network Meta-Analysis Of...
ARE NETWORK META-ANALYSIS MORE PRONE TO UNRELIABLE CONCLUSIONS? There is a type of meta-analysis called a network meta-analysis that is potentially more subject to error than a routine meta-analysis. A network meta-analysis adds an additional variable to a meta-analysis. Rather than simply ...
Stroke; Stroke-associated pneumonia; Screening tools; Accuracy; Network meta-analysis DOI: 10.7507/1672-2531.202410002 Export PDF Favorites Scan Get Citation Shared Abstract Figures/Tables References Cited by Objective To systematically review the accuracy of different stroke-associated pneumonia (...
Stroke; Stroke-associated pneumonia; Screening tools; Accuracy; Network meta-analysis DOI: 10.7507/1672-2531.202410002 Export PDF Favorites Scan Get Citation Shared Abstract Figures/Tables References Cited by Objective To systematically review the accuracy of different stroke-associated pneumonia (...
network meta inconsistency //结果显示:P > 0.05,说明不一致性模型不显著,可以使用一致性模型进行一致性拟合,也就是说一致性较好。 * 绘制不一致性检验图(需要把数据转化为另外一种格式(study-level data*))方法3 *格式2做,重新运行3-25行调用 set maxvar 5000,clear ...
网络网络综合分析 网络释义 1. 网络综合分析 看现在的网络综合分析(network meta-analysis) 就像10几年前的综合分析 (或称后设分析 meta-analysis)...最近一项针对考科蓝 … jerryljw.blogspot.com|基于90个网页