Fig. 2

a Forest plot showing the risk of diabetes in critically ill adult patients with stress hyperglycaemia. b Forest plot showing the risk of prediabetes in critically ill adult patients with stress hyperglycaemia. SH stress hyperglycaemia. Prediabetes was defined according to American Diabetes Association criteria: fasting plasma glucose 5.6–6.9 mmol/L (impaired fasting glucose), or 2-h plasma glucose during 75-g oral glucose tolerance test 7.8–11.0 mmol/L (impaired glucose tolerance), or glycated haemoglobin 5.7–6.4 % (39–46 mmol/mol) [19]