Table 2.
Group | P | Group | P | |||
---|---|---|---|---|---|---|
PD-L | Control | PD-R | Control | |||
Single-task | ||||||
PPT scores | ||||||
Symptomatic hand | 11.97 ± 1.97 | 14.47 ± 1.36 | <0.001 | 12.19 ± 2.09 | 15.60 ± 1.77 | <0.001 |
Asymptomatic hand | 14.22 ± 1.59 | 15.60 ± 1.77 | 0.011 | 12.83 ± 1.77 | 14.47 ± 1.36 | <0.001 |
3-subtraction | 11.75 ± 3.45 | 13.38 ± 4.33 | 0.180 | 11.83 ± 3.07 | 13.38 ± 4.33 | 0.143 |
Dual-task | ||||||
PPT performance | ||||||
Symptomatic hand | 10.56 ± 1.91 | 12.48 ± 2.21 | 0.005 | 9.83 ± 2.39 | 13.36 ± 2.13 | <0.001 |
Asymptomatic hand | 11.59 ± 1.96 | 13.36 ± 2.13 | 0.008 | 11.19 ± 1.91 | 12.48 ± 2.21 | 0.025 |
3-subtraction | ||||||
Symptomatic hand | 10.69 ± 2.78 | 10.98 ± 3.01 | 0.441 | 9.29 ± 2.78 | 11.58 ± 4.14 | 0.039 |
Asymptomatic hand | 10.94 ± 2.36 | 11.58 ± 4.14 | 0.630 | 10.60 ± 2.22 | 10.98 ± 3.01 | 0.383 |
Interference-effect (PPT performance) | ||||||
Symptomatic hand | −11.28% | −13.59% | 0.554 | −19.32% | −14.18% | 0.124 |
Asymptomatic hand | −17.50% | −14.18% | 0.430 | −12.16% | −13.59% | 0.704 |
Interference-effect (3-subtraction) | ||||||
Symptomatic hand | −6.58% | −15.69% | 0.121 | −14.62% | −10.52% | 0.461 |
Asymptomatic hand | −7.98% | −10.52% | 0.563 | −7.9% | −15.69% | 0.116 |
PD-R, right-onset Parkinson’s disease; PD-L, left-onset Parkinson’s disease; PPT, Purdue Pegboard Test; The bold emphasis in the p column means p < 0.05 with statistically significant.