Table 4: Pearson correlations between total UPDRS motor and subscales off and on medication.

OFF medicationsON medications
Total motor UPDRS*Gait/PostureTremorRigidityRightLeftTotal motor UPDRS*Gait/PostureTremorRigidityRightLeft

OFF medications
 Total motor UPDRS*1.00
 Gait/Posture0.63b1.00
 Tremor0.19a0.17a1.00
 Rigidity0.45b0.35b0.101.00
 Right 0.57b0.52b0.16a0.40b1.00
 Left0.65b0.61b0.14a0.45b0.50b1.00
ON medications
 Total motor UPDRS*0.90b0.80b0.36b0.49b0.64b0.73b1.00
 Gait/Posture0.76b0.90b0.20a0.30b0.43b0.56b0.62b1.00
 Tremor0.32b0.15a0.81b0.070.090.15a0.27b0.24a1.00
 Rigidity0.47b0.32b0.140.72b0.34b0.34b0.43b0.33b0.131.00
 Right0.69b0.51b0.17a0.40b0.83b0.50b0.59b0.49b0.17a0.38b1.00
 Left0.80b0.61b0.20a0.45b0.52b0.87b0.70b0.61b0.23a0.42b0.59b1.00

*Total UPDRS motor scores are adjusted for overlap with subscales. For example, correlation total UPDRS motor with Gait/Posture subscale was calculated as: Total UPDRS OFF with no Gait/Posture OFF items = Total UPDRS OFF − Gait/Posture OFF items.
a .
b .