There was a moderate positive correlation between AD severity (NESS score) and IL-18 with r = 0.35 (p = 0.043, 95% CI 0.010 – 0.613) and CCL20 with r = 0.46 (p = 0.007, 95% CI 0.138 – 0.687). Here, IL18 is linked to Alzheimer disease.