Figure 2From: Clinical review: Strict or loose glycemic control in critically ill patients - implementing best available evidence from randomized controlled trialsBlood glucose levels (mean or median in the control or conventional group (closed bars) and strict glycemic control group (open bars) of seven randomized controlled trials. Original single-center randomized controlled trials (RCTs) from Leuven [1, 2]; single-center RCTs [3, 4]; multi-center RCTs [5–7]. Dotted lines indicate the blood glucose levels in the two original single-center RCTs from Leuven.Back to article page