Fig. 3From: Are self-reported gastrointestinal symptoms among older adults associated with increased intestinal permeability and psychological distress?Principal component analysis displaying the relationship between all investigated biomarkers, HADS domains and GSRS domains in the 3 study populations. Both zonulin and HADS appear associated with the GSRS domains unlike ROS, CRP and calprotectin. The ellipsoid markings cover 95% of the total populationsBack to article page