IL6 and Alzheimer disease: Pooled analyses showed no significant differences in IL-6 (SMD: -0.13; 95% CI: -0.44 to 0.19; p = 0.433), TNF-α (SMD: -0.22; 95% CI: -0.71 to 0.28; p = 0.388), or CRP (SMD: 0.73; 95% CI: -0.17 to 1.62; p = 0.111) between AD and VaD overall.