Fig. 5
From: Effect of liberal glucose control on critically ill patients: a systematic review and meta-analysis

Forest plot of subgroup analysis of hypoglycemia incidence based on the study design (RCT or non-RCT). (Cl, confidence interval; 2006a: Intention-to-Treat Group; 2006b: Group in ICU for ≥ 3 Days; RR, relative risk)