Fig. 1
From: Interleukin-18 modulation in autism spectrum disorders
IL-18 serum levels in autism patients and healthy controls. a Values observed in autism patients aged below 10 years were significantly lower compared to those of age- and sex-matched healthy controls (p < 0.0013); b values observed in autism patients above the age of 10 years were significantly lower compared to those of age- and sex-matched healthy controls (p < 0.002)