IL10 and delirium: Levels of neopterin (111 (IQR 37–111) vs. 29 (IQR 16–64) mmol/l, p = 0.004) and IL-10 (28 (IQR 12–39) vs. 9 (IQR 4–12) pg/ml, p = 0.001) were significantly higher in patients with hypoactive delirium compared to patients with mixed-type delirium.