. Author manuscript; available in PMC: 2012 Jan 1.

Published in final edited form as: J Parkinsons Dis. 2011;1(1):109–118. doi: 10.3233/JPD-2011-11019

Table 2.

Turn Performance and Oculomotor Performance During 90 and 180 Degree Turns

Measure	90° Turns		180° Turns
Measure	PD	Controls	PD	Controls
# of Steps	4.3 ± 2.6 ^*	2.7 ± 0.8	7.7 ± 5.1 ^*	4.5 ± 0.9
Turn Duration (seconds)	2.1 ± 0.8 ^†	1.4 ± 0.5	3.6 ± 1.5 ^†	2.4 ± 0.7
# of Saccades	4.5 ± 1.7 ^†	3.1 ± 1.4	8.9 ± 3.2 ^†	6.0 ± 1.5
First Saccade Amplitude (degrees)	20.6 ± 8.1	25.7 ± 8.4	17.4 ± 4.6 ^†	24.7 ± 6.7
First Saccade Velocity (deg/sec)	219.0 ± 65.6 ^†	273.1 ± 41.1	206.7 ± 61.2 ^†	255.3 ± 39.5
Norm E-H Index (% of 1^st gait cycle)	19.4 ± 19.3	11.5 ± 6.1	26.8 ± 25.0 ^*	13.4 ± 7.2
Norm E-F Index (% of 1^st gait cycle)	45.4 ± 33.9 ^*	25.4 ± 9.7	52.3 ± 38.1 ^*	28.1 ± 11.5

Values are means ± standard deviations.

Significantly different between groups, p < 0.05

^†

Significantly different between groups, p < 0.01