Table II.
Behavioral parameters showing the motor performance of FRDA patients and controls while performing hand‐tapping and writing of “8” figures
| Hand‐tapping | “8” writing | |||||||
|---|---|---|---|---|---|---|---|---|
| Frequency (Hz) | Frequency CV (%) | Force (N) | Force CV (%) | Frequency (Hz) | Frequency CV (%) | Size (mm2) | Size CV (%) | |
| FRDA patients | 0.61 ± 0.24 (0.22, 1.06) | 9.9 ± 2.8 (5.7, 13.9) | 25.3 ± 3.2* (20.6, 30.4) | 5.1 ± 2.5 (2.6, 10.9) | 0.51 ± 0.11 (0.4, 0.66) | 12.2 ± 4.3 (6.3, 20) | 495.8 ± 424.9 (75.2, 1236.6) | 40.4 ± 18 (19.9, 75.1) |
| Controls | 0.56 ± 0.20 (0.37, 1.05) | 9.4 ± 2.0 (5.5, 13.4) | 29.2 ± 3.1* (23.2, 34.6) | 4.0 ± 2.2 (1.6, 8.3) | 0.70 ± 0.25 (0.35, 1.09) | 9.9 ± 2.9 (5.4, 14.6) | 668.2 ± 336.1 (237.8, 1367.4) | 24.9 ± 10.5 (14.3, 46.5) |
Mean ± standard deviation (minimum value, maximum value) data are reported. CV, coefficient of variation.
*
P = 0.01, Mann‐Whitney test.