Fig. 4From: Effect of different methods of cooling for targeted temperature management on outcome after cardiac arrest: a systematic review and meta-analysisForest plot of poor neurological outcome in randomized clinical trials (RCTs) or non-RCTs: invasive vs. non-invasive methods. The size of the squares for the risk ratio reflects the weight of trial in a pooled analysis. Horizontal bars represent 95% confidence intervalsBack to article page