Table 3.
Comparison of outdoor navigation variables (controls vs patients with disorientation vs patients without disorientation).
| Outdoor navigation variable | Controls, mean (SD) | Patients with disorientation, mean (SD) | Patients without disorientation, mean (SD) | Group significance, P value |
| Outings per day | 2.28 (0.79) | 1.70 (0.71) | 2.11 (0.92) | .25 |
| Day outings per day | 1.89 (0.62) | 1.49 (0.62) | 1.87 (0.80) | .79 |
| Night outings per day | 0.38 (0.31) | 0.20 (0.19) | 0.23 (0.27) | .24 |
| Time spent moving per outing (hours) | 1.17 (0.58) | 1.13 (0.75) | 0.82 (0.44) | .17 |
| Total distance per outing (kilometers) | 23.37 (22.65) | 21.62 (16.41) | 15.47 (13.85) | .60 |
| Walking distance per outing (kilometers) | 1.94 (1.02) | 1.94 (1.49) | 1.09 (0.61) | .06 |
| Mean distance from home per outing (kilometers) | 4.69 (4.10) | 4.13 (3.13) | 2.81 (2.89) | .34 |
| Similarity of trajectories across outings (mean discrete Fréchet distances) | 0.14 (0.13) | 0.11 (0.09) | 0.09 (0.08) | .59 |