Improved Dynamic Postural Task Performance without Improvements in Postural Responses: The Blessing and the Curse of Dopamine Replacement

Table 1

Results of PD group ON and OFF medication (Mean ± SD).

	Step reaction time (sec)	Step length (cm)	Step avg velocity (cm/sec)	COM displacement (cm)	COM avg velocity (cm/sec)	Pull Test (UPDRS motor subsection item 30)	FGA
ON meds 95% CI	0.77 ± 0.39	25.94 ± 10.33	62.45 ± 17.11	19.05 ± 6.91	19.42 ± 6.59	0.73 ± 0.46	23.67 ± 4.59*
	0.56–0.99	20.22–31.67	52.98–71.93	15.23–22.88	15.77–23.07	0.48–0.99	21.12–26.21
OFF meds 95% CI	0.75 ± 0.39	25.72 ± 11.61	63.38 ± 24.05	19.66 ± 7.46	20.20 ± 7.01	1.0 ± 0.53	18.80 ± 4.80
	0.53–0.97	19.29–32.15	50.07–76.70	15.53–23.80	16.32–24.09	0.70–1.30	16.14–21.46
Effect size	0.06	0.02	.05	0.09	0.12	0.56	1.07

^∗𝑃≤0.008.