Fig. 2

Score plots and classification accuracy. Score plots (left panel) visualize the individual participant scores and shows the relationship between gait outcomes and participants of each group with respect to the first two Latent Variables for single-task (upper panel) and dual-task walking (lower panel). Healthy old adults present in a sharply separated cluster, while 57 and 64% of geriatric patients with cognitive intact (CI) and cognitive impaired (CIM) geriatric patients are misclassified for single- and dual-task, respectively (right panel)