Table 2 Heritability estimates of the saccade parameters in SCA2 patients, preclinical carriers and healthy controls
Variables | SCA2 patients | Preclinical carriers | Healthy controls | ||||||
|---|---|---|---|---|---|---|---|---|---|
ICC | p | H | ICC | p | H | ICC | p | H | |
Saccade velocity (°/s) | 0.47 | 0.002 | ~94% | 0.19 | 0.222 | NA | 0.136 | 0.289 | NA |
Saccade accuracy (%) | 0.16 | 0.170 | NA | 0.20 | 0.208 | NA | 0.013 | 0.473 | NA |
Saccade latency (ms) | 0.16 | 0.170 | NA | 0.13 | 0.294 | NA | 0.286 | 0.121 | NA |