LYZ and autism: Tests of association between each clinical trait or feature (i.e., disease conditions, gender, age, probiotics, antibiotics, GI symptoms, nutritional habits, birth modality, feeding, epilepsy, autism severity, neurological screening CBCL scales, IQ/DQ, IgA, zonulin, and lysozyme) and each ME were performed and represented by heatmap (Figure 8C).