Table III.
Numbers of correct responses within 30 sec of PD patients and controls in the subtraction test.
| Groups | ||||
|---|---|---|---|---|
|
|
||||
| Variable | LRRK2+ PD | LRRK2− PD | LRRK2+ control | LRRK2− control |
| NU | 6.95±2.93 | 6.91±2.54 | 6.97±2.17 | 7.33±2.54 |
| ND | 3.80±1.66a,b | 4.12±1.58a,b | 5.66±1.59 | 6.48±1.04 |
| NND | 4.54±1.75a,b | 5.68±1.62a,b | 6.08±1.53 | 7.26±2.05 |
| NB | 3.47±2.31a,b | 4.68±1.02a,b | 8.15±2.90 | 8.66±2.05 |
Measurement data are expressed as mean ± SD.
a
P<0.05 compared with control groups;
b
P<0.05 compared with NU.
LRRK2, leucine-rich repeat kinase 2; PD, Parkinson’s disease. NU, single-task score; ND, subtraction test score in a dual task using the dominant hand; NND, subtraction test score in a dual task using the non-dominant hand; NB, subtraction test score in a dual task using both hands.