Table 3.
Exploratory comparison of secondary outcome CATSYS measures.
| Control (N = 37) | Non-FXTAS (N = 90) | FXTAS (N = 23) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CATSYS group | CATSYS performance task |
Mean | SD | Mean | SD | Mean | SD | FXTAS versus control | Non-FXTAS versus control | FXTAS versus non-FXTAS |
| Manual coordination, Maximum frequency (Hz) | Hand | |||||||||
| Dominant | 7.07 | 0.82 | 6.82 | 0.98 | 6.42 | 1.14 | ∗ | nsa | ns | |
| Nondominant | 6.90 | 0.93 | 6.60 | 1.01 | 6.20 | 1.36 | ∗ | ns | ns | |
| Finger tapping | ||||||||||
| Dominant | 7.46 | 1.10 | 7.25 | 1.38 | 6.50 | 1.73 | ∗ | ∗ | ns | |
| Nondominant | 7.19 | 1.36 | 7.31 | 1.27 | 6.32 | 1.75 | ∗ | ∗∗ | ns | |
|
| ||||||||||
| Reaction Time (sec) |
Hand | |||||||||
| Dominant | 0.24 | 0.05 | 0.24 | 0.05 | 0.27 | 0.05 | ∗ | ns | ns | |
| Nondominant | 0.23 | 0.05 | 0.24 | 0.05 | 0.26 | 0.05 | ∗ | ∗ | ns | |
|
| ||||||||||
| Writing Tremor, tremor Intensity (m/sec2) |
Hand | |||||||||
| Dominant | 0.53 | 0.47 | 0.74 | 1.03 | 0.93 | 1.19 | ns | ns | ns | |
| Nondominant | 0.59 | 0.54 | 0.70 | 0.94 | 1.00 | 1.15 | ns | ns | ns | |
Analysis based on logarithm transformed data and adjusted for age.
a Not significant (P > .10).
**P < .01.
*P < .05.