Adipose tissue levels of protein PPARγ from healthy controls and critically ill, non-surviving patients. Databoxes present median and interquartile range; whiskers represent the 10th and the 90th percentiles. Grey boxes represent healthy controls undergoing elective surgery (healthy, n = 20); white boxes are critically ill patients (crit. Ill, n = 61). Different from healthy controls with ** P ≤ 0.01. AT, adipose tissue; AU, arbitrary units.