“…Five studies 31,35,38,39,41 were in patients with diabetes, eight 28 -30,33,34,36,37,40 included both patients with and those without diabetes, and two studies 32,42 considered patients without diabetes. Nine studies 28,29,33 -36,38,39,42 were performed in patients undergoing cardiac surgery, four 31,32,40,41 involved patients having abdominal surgery, one study 37 concerned critically ill surgical patients, and one study 30 involved patients undergoing emergency cerebral aneurysm clipping. Most of the studies were performed in an ICU setting.…”