Table 2.

Comparison of the findings of eye movement recordings between amyotrophic lateral sclerosis patients and healthy controls

	ALS patients(n = 62)	Healthy controls(n = 85)	p value
Median age (years)	60.5 ± 11	45.27 ± 15	.111
Sex ratio (male: female)	1.21	0.83	.098
Percentage of abnormal eye movement recording	72.6%	12.8%	.000
Median saccadic latencies ± IQR (ms)	290 ± 37	279 ± 33	.102
Percentage of prolonged latencies	34%	12.9%	.002
Percentage of altered horizontal smooth pursuit	56.5%	21.2%	.000
Median gain ± IQR	0.54 ± 0.17	0.68 ± 0.17	.004
Median anti-saccadic error rate ± IQR	13 ± 6	3 ± 4	.002
Percentage of altered anti-saccades	24.2%	0	.000

ALS = amyotrophic lateral sclerosis

IQR = interquartile range