Research Article
Finger Tapping Clinimetric Score Prediction in Parkinson's Disease Using Low-Cost Accelerometers
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 | | 0.032 | Aclose | Mean, standard deviation, and slope of maximum closing acceleration (g) | 1.131 | 9.676 | sdAclose | 0.338 | 3.145 | slAclose | | 0.603 | Aopen | Mean, standard deviation, and slope of maximum opening acceleration (g) | 0.761 | 10.81 | sdAopen | 0.054 | 1.483 | slAopen | | 0.364 | RMS | Root mean square (g) | 0.942 | 4.047 |
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