Table 2.

Gait and Balance in PD OFF and ON Medication and Controls

	PD OFF	PD ON	CN
Balance Tests	n = 22		n=20
Berg Balance Scale*+	52.0, 5	53.5, 4	55.0, 2
Mini-BESTest*+	21.6 ± 4.1	23.1 ± 4.3	27.3 ± 3.0
TUG*+	12.4 ± 3.4	10.9 ± 2.1	9.3 ± 1.7
DT-TUG+	15.4 ± 5.8	14.2 ± 5.4	10.0 ± 2.1
Gait Tasks	n=21		n=20
Velocity (cm/sec)*+•
Fwd▲	107.1 ± 19.7	112.6 ± 15.7	122.2 ± 19.0
Fast▲	153.6 ± 33.2	157.7 ± 28.9	182.4 ± 14.1
Bkd▲	63.0 ± 24.9	68.6 ± 20.4	85.2 ± 29.4
DT-Fwd	83.4 ± 25.4	94.6 ± 23.6	91.8 ± 22.9
DT-Bkd	47.9 ± 26.3	54.5 ± 21.9	64.2 ± 25.6
Stride Length (cm)*+•
Fwd	121.6 ± 17.1	126.7 ± 12.5	131.2 ± 15.3
Fast	145.3 ± 22.4	148.2 ± 18.5	153.0 ± 25.0
Bkd▲	69.4 ± 24.7	77.4 ± 19.1	95.3 ± 22.7
DT-Fwd	105.3 ± 23.6	114.5 ± 18.8	117.7 ± 18.6
DT-Bkd▲	59.6 ± 29.8	68.2 ± 21.1	85.5 ± 24.1
Cadence (steps/min)•
Fwd	107.6 ± 12.8	107.0 ± 9.5	112.0 ± 10.4
Fast▲	126.2 ± 14.1	127.9 ± 15.8	142.4 ± 15.5
Bkd	109.6 ± 21.2	108.5 ± 18.0	111.8 ± 29.4
DT-Fwd	95.8 ± 13.5	98.6 ± 13.0	93.5 ±16.5
DT-Bkd	106.5 ± 23.1	104.8 ± 33.9	96.6 ± 20.0

Values are means ± standard deviations for all values except Berg Balance Scale, where medians and interquartile ranges are listed.

^*Significant medication effect for PD OFF vs. PD ON

⁺ Significant group effect for PD ON vs. CN

^• Significant gait task effect for PD OFF vs. PD ON, as well as PD ON vs. CN

^▲ Significant group × gait task interaction for PD ON vs. CN