. 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 3.

Visual acuity in ALS vs. control subjects.

Acuity measure	ALS	Control	OR^* (5%–95% CI)	p
High contrast	53.1+/−7.4	57.6+/−3.1	0.81 (0.71–0.93)	0.003
2.5% low contrast	29.4+/−12.2	38.3+/−8.6	0.89 (0.83–0.95)	0.001
1.25% low contrast	24.1+/−13.1	32.6+/−9.3	0.91 (0.86–0.97)	0.002

Acuity recorded in letters (mean +/− SD) seen on 2 m Sloan chart,

Logistic regression, accounting for age.