Fig. 2From: Clinical efficacy and safety of polymyxins based versus non-polymyxins based therapies in the infections caused by carbapenem-resistant Acinetobacter baumannii: a systematic review and meta-analysisSummary of risk of bias: a Summary of risk of bias of included studies; b Risk of bias in individual studies. The green, yellow and red represent “low risk of bias”, “moderate risk of bias” and “serious risk of bias”, respectivelyBack to article page