. Author manuscript; available in PMC: 2013 Mar 15.

Published in final edited form as: J Neurol Sci. 2011 Dec 21;314(1-2):97–101. doi: 10.1016/j.jns.2011.10.016

Table 4.

Ocular motility abnormalities in ALS vs. control subjects.

	ALS	Control	p^*
Gaze impersistence	14.3% (9/63)	0% (0/37)	0.01
Upgaze limitation	12.7% (8/63)	0% (0/37)	0.02
Absent visually guided saccades
horizontal	3.4% (2/59)	0% (0/36)	0.38
vertical	5% (3/59)	0% (0/36)	0.23
Anticipatory visually guided saccades
horizontal	25.4% (16/63)	24.3% (9/37)	0.24
vertical	20% (12/60)	13.9% (5/36)	0.14
Anti-saccade errors (>33%)
Horizontal	16.7% (10/60)	5.4% (2/37)	0.054
Vertical	25.9% (15/58)	19.4% (7/36)	0.19
Reduced Bell's phenomenon	25.9% (15/58)	8.1% (3/37)	0.08
Eyelid opening apraxia	26.7% (16/60)	0% (0/37)	0.0002

	ALS	Control	OR^** (5–95% CI)

Saccadic intrusion into horizontal smooth pursuit
High speed (30°/s)	39.7% (25/63)	13.5% (5/37)	3.6 (1.2–10.9)
Low speed (15°/s)	42.9% (18/42)	3.8% (1/26)	15.5 (1.9–128.8)

Fisher's exact test,

^**

logistic regression, accounting for age.