Table 2 Mean and standard errors (in brackets) of gait parameters during obstacle approach in each phase
Groups | PHASE | Task | Gait velocity(cm/s) | Step time variability(%CV) | Step length variability(%CV) |
|---|---|---|---|---|---|
PD | Early | No dual task | 99.5(±12.6) | 5.08(±0.7) | 7.29(±3.4) |
Early | Dual task | 87.8(±12.9) | 6.33(±1.1) | 5.79(±2.1) | |
Late | No dual task | 85.8(±15.3) | 12.27(±6.2) | 10.74(±3.4) | |
Late | Dual task | 76.2(±13.1) | 13.45(±8.1) | 11.13(±3.1) | |
HC | Early | No dual task | 120.3(±13.8) | 3.59(±0.8) | 2.82(±3.7) |
Early | Dual task | 106.9(±14.1) | 3.73(±1.2) | 2.92(±2.3) | |
Late | No dual task | 115.8(±16.8) | 5.52(±6.8) | 8.82(±3.7) | |
Late | Dual task | 105.7(±14.4) | 6.10(±8.9) | 8.07(±3.4) | |
Effects | Group | P < 0.001 | P < 0.05 | P < 0.001 | |
Task | P < 0.001 | NS | NS | ||
Phase | P < 0.05 | P < 0.01 | P < 0.001 | ||
Group x task | NS | NS | NS | ||
Group x phase | NS | NS | NS | ||
Group x task x phase | NS | NS | NS | ||