Fig. 2From: Correlation of serum complement factor 5a level with inflammatory response and cognitive function in patients with Alzheimer’s disease of different severityThe difference of serum C5a level between mild, moderate and severe AD patients. (A) Serum C5a level was determined by ELISA; (B) The ROC curve of serum C5a level for severe AD evaluation; (C) Kaplan-Meier curve was employed to analyze the cumulative incidence of severe AD. Data in panel A were tested by independent t test. Data in panel B were analyzed using the ROC curve. * P < 0.05Back to article page