Table 2.
The presence of HCBS in different subtypes of SCA and MSA-C.
| Total | Length of the expanded CAG repeats | HCBS negative (n = 400, 58.48%) | HCBS positive (n = 284, 41.52%) | p value | |||
|---|---|---|---|---|---|---|---|
| N | Mean ± SD (N) | N | % | N | % | ||
| SCA 1 | 25 | 46.88 ± 4.67 (25) | 24.00 | 96.00 | 1.00 | 4.00 | < 0.001 |
| SCA 2 | 68 | 41.35 ± 3.94 (68) | 48.00 | 70.59 | 20.00 | 29.41 | |
| SCA 3 | 253 | 70.64 ± 4.26 (253) | 246.00 | 97.23 | 7.00 | 2.77 | |
| SCA 6 | 34 | 23.35 ± 1.28 (34) | 34.00 | 100.00 | 0.00 | 0 | |
| SCA 17 | 18 | 44.81 ± 3.02 (18) | 17.00 | 94.44 | 1.00 | 5.56 | |
| MSA-C | 286 | 0 | 31 | 10.84 | 255 | 89.16 | |
HCBS hot cross bun sign; MSA-C multiple system atrophy, cerebellar type; SCA spinocerebellar ataxia.
Chi-square test.
Numeric data are presented as mean ± standard deviation.