CFH and age-related macular degeneration: We found that both early and exudative AMD patients had decreased CFH serum levels when compared to the control group subjects (median (IQR): 29.866 (53.707) vs. 93.550 (443.224), p = 0.038; median (IQR): 21.437 (42.549) vs. 93.550 (443.224), p = 0.006, respectively).