2019年8月22日 · Welcome to the website for the RoB 2 tool. The current version (22 August 2019), suitable for individually-randomized, parallel-group trials. A version for cluster-randomized trials is now available (10 November 2020, revised 18 March 2021). A version for crossover trials is now available (8 December 2020, revised 18 March 2021).

Version 2 of the Cochrane risk-of-bias tool for randomized trials (RoB 2) is the recommended tool to assess the risk of bias in randomized trials included in Cochrane Reviews. RoB 2 is structured into a fixed set of domains of bias, focussing on different …

The Risk of Bias 2 (RoB 2) tool is an update to the original risk of bias tool that launched in 2008. The relevant chapter in the Cochrane Handbook for Systematic Reviews of Interventions Chapter 8, titled ‘ Assessing risk of bias in a randomized trial ’.

2021年7月29日 · 为此，Cochrane 方法学组于 2016 年 10 月 20 日重新推出新版 RCT 偏倚风险评价工具（Revised Cochrane risk-of-bias tool for randomized trials，又名 Version 2 of the Cochrane tool for assessing risk of bias in randomised trial，RoB2） [9, 10]。 RoB2 相较于 RoB1 覆盖了包括整群 RCT、交叉试验等更多设计类型的 RCT，注重采用恰当的统计分析方法控制偏倚。 RoB2 在 RoB1 基础上变得更加详尽而全面，因而操作也相对复杂 [11]。

对纳入研究的偏倚风险进行评价是meta分析必不可少的步骤，Cochrane开发的Risk of bias tool (RoB2) 是针对随机对照试验（RCT）的常用评价工具。Rob评价过程比较复杂，上

2019年8月22日 · An Excel tool to implement RoB 2 (contains macros; download to your computer before using; some text is slightly out of date). We have also made available a version of RoB 2 for cluster-randomized trials. and a version of RoB 2 for crossover trials.

2024年6月15日 · 一、RoB 2.0的使用方法 Cochrane偏倚风险评估工具2.0设置5个模块，分别从不同方面评价RCT研究产生偏倚的可能性。 包括：随机过程中产生的偏倚、偏离既定干预的偏倚(分为干预分配和干预依从)、结局数据缺失的偏倚、结局测量的偏倚以及结果选择性报告的偏倚。

2019年8月28日 · Jonathan A C Sterne 1 2 , Jelena Savović 3 4 , Matthew J Page 5 , Roy G Elbers 3 , Natalie S Blencowe 3 2 , Isabelle Boutron 6 7 8 , Christopher J Cates 9 , Hung-Yuan Cheng 3 2 , Mark S Corbett 10 , Sandra M Eldridge 11 , Jonathan R Emberson 12 , Miguel A Hernán 13 , Sally Hopewell 14 , Asbjørn Hróbjartsson 15 16 17 , Daniela R Junqueira 18 ...

2019年8月28日 · RoB 2 provides a framework for assessing the risk of bias in a single estimate of an intervention effect reported from a randomised trial. The effect assessed is a comparison of two interventions, which we refer to as the experimental and comparator interventions, for a specific outcome or endpoint. The process of making a RoB 2 assessment is ...

2024年6月17日 · 在随机对照研究质量评价——Cochrane偏倚风险评估工具2.0 (Risk of Bias 2.0, RoB 2.0)(一)一文中介绍了RoB 2.0的使用方法及评估清单，本文主要介绍评估清单详细内容。 关键词：Meta分析; 随机对照试验; RCT研究; Cochrane偏倚风险评估工具2.0; RoB 2.0. 三、RoB 2.0评估清单详细内容