Figure 1. Frequency distribution of neuropsychiatric features in subjects with Alzheimer disease over the 6-month follow-up period by low or high levels of tumor necrosis factor–α (TNFα).

*p ≤ 0.05, ** p ≤ 0.01, adjusted for baseline age, gender, Alzheimer's Disease Assessment Scale Cognitive subscale score, and presence of delirium during follow-up.