Table 2.

Comparisons between patients’ ages and nystagmus latencies.

Age	N	Mean	Standard deviation	r-value*
Up to 47 years	23	6.90	4.02	0.874
From 48 to 62 years	24	6.21	3.10
63 years or more	23	5.93	1.91

*Referred to Kruskal-Wallis’ test.