What, why and how to monitor blood glucose in critically ill patients

Table 4 Suggested targets for various glycemic indices in critically ill patients

Glycemic indices	Suggested targets
Blood glucose	140-180 mg/dL
Time in range	More than 70%
Glycaemic gap	Less than 25.89 mg/dL in type 2 diabetics
	Less than 40 mg/dL in community acquired pneumonia
Glycaemic lability	Below median (40 mmol/L2/h/week)
Stress hyperglycaemia ratio	Less than 1.14 in sepsis patients
Mean amplitude of glycaemic excursions	Less than 65 mg/dl in sepsis patients
Coefficient of variation	Less than 36%