Figure 5From: Nurse-led implementation of an insulin-infusion protocol in a general intensive care unit: improved glycaemic control with increased costs and risk of hypoglycaemia signals need for algorithm revisionHypoglycaemic episodes (BG < 2.2 mmol/L) plotted against length of stay. Reference lines are placed at 12 and 72 hours. Twenty-two episodes that occurred > one week after admission to ICU have been omitted from the figure.Back to article page