Table 2.
Features summary with minimum and maximum values across the 86 observations. The 8 MDS-UPDRS features are presented first.
| Feature | Feature definition | Min | Max |
|---|---|---|---|
| Freq | Mean movement frequency (Hz) | 0.367 | 5.106 |
| Dfreq | Index for decrementing frequency (—) | 2 | 10 |
| Afreq | Index for augmenting frequency (—) | 2 | 10 |
| Angle | Mean opening angle (°) | 5.139 | 117.8 |
| Dangle | Index for decrementing angle (—) | 2 | 10 |
| Hypom | Hypometria (—) | 0 | 10 |
| Hesits | Number of hesitations (—) | 0 | 5 |
| Halts | Number of halts (—) | 0 | 1 |
| Topen | Mean, standard deviation, and slope of percentage of movement time for maximum opening acceleration (—) |
0.191 | 0.533 |
| sdTopen | 0.017 | 0.232 | |
| slTopen | −0.031 | 0.032 | |
| Aclose | Mean, standard deviation, and slope of maximum closing acceleration (g) |
1.131 | 9.676 |
| sdAclose | 0.338 | 3.145 | |
| slAclose | − 0.448 | 0.603 | |
| Aopen | Mean, standard deviation, and slope of maximum opening acceleration (g) |
0.761 | 10.81 |
| sdAopen | 0.054 | 1.483 | |
| slAopen | −0.304 | 0.364 | |
| RMS | Root mean square (g) | 0.942 | 4.047 |