| Patients with HLGD (n = 22) | Controls (n = 20) | ||
---|---|---|---|---|
 | Normal Lighting | Near Dark (P-value*) | Normal Lighting | Near Dark (P-value*) |
Average Stride Time (sec) | 1.30 ± 0.17 | 1.29 ± 0.15 (0.376) | 1.17 ± 0.12 | 1.17 ± 0.12 (0.912) |
Stride Time Variability (%) | 5.6 ± 2.3 | 6.8 ± 2.3 (0.005) | 3.6 ± 1.2 | 4.1 ± 1.9 (0.295) |
Average Swing Time (%) | 33.9 ± 2.7 | 32.5 ± 3.7 (<0.001) | 35.7 ± 3.0 | 35.5 ± 3.2 (0.015) |
Swing Time Variability (%) | 7.0 ± 2.9 | 10.1 ± 4.7 (<0.001) | 4.5 ± 2.4 | 5.1 ± 2.5 (0.365) |
Walk Time (sec) | 106.3 ± 44.2 | 124.4 ± 57.1 (<0.001) | 72.8 ± 20.8 | 84.2 ± 33.5 (0.013) |