Fig. 4. Scatterplots with medians (bars) comparing DISHAA scores in dogs with marginal, mild, moderate, and severe periodontal disease, based on the median periodontal disease scores ranging from 1 and 4. DISHAA scores (y axis) plotted against periodontal disease severity (x axis). DISHAA = Disorientation; Interactions-social; Sleep/wake cycle; House soiling, learning and memory; Activity; and Anxiety.