Antimicrobial proteins and tests of association: the salivary lysozyme was significantly lower (p=0.01) in the patients with diabetes measuring a median 32.5 ng/ml (IQR 25.0-39.6) compared to 36.4 ng/ml (IQR 31.4-42.1) in the non-diabetic control group. The gene discussed is LYZ; the disease is diabetes mellitus.