From: Nystagmus as an early ocular alteration in Machado-Joseph disease (MJD/SCA3)
N | Group 1 | N | Group 2 | N | Group 3 | |||
---|---|---|---|---|---|---|---|---|
Gender | 68 | 33♀|35♂ | 48 | 29♀|19♂ | 42 | 26♀|17♂ | ||
Age | 68 | 48 ± 15 [16–82] | 48 | 30 ± 9 [18–59] | 42 | 36 ± 12 [18–60] | ||
CAG repeats | Normal allele | 60 | 20 ± 5 [13–28] | 44 | 22 ± 5 [13–27] | 42 | 17 ± 4 [13–27] | 23 ± 4 [13–31] |
Expanded allele | 64 | 71 ± 4 [61–80] | 46 | 71 ± 4 [63–80] |