Table 1.
The demographic, clinical and estimated sensors information and the P-value of the Kruskal–Wallis test between the groups of controls, ET − 0, ET + 1, ET + 2.
| Control | ET − 0 | ET + 1 | ET + 2 | P value | |
|---|---|---|---|---|---|
| Number | 18 | 6 | 5 | 6 | – |
| M:F | 8:10 | 3:3 | 1:4 | 4:2 | – |
| Age | 62.8 ± 11.6 | 62.8 ± 16.5 | 61.4 ± 11.6 | 77.2 ± 7.3 | 0.084 |
| Age at tremor onset | – | 37.7 ± 18.5 | 51.2 ± 13.1 | 44.0 ± 25.9 | 0.433 |
| Tremor duration | – | 25.2 ± 23.2 | 10.2 ± 5.8 | 31.3 ± 20.5 | 0.229 |
| MoCA | – | 25.8 ± 4.2 | 25.2 ± 3.3 | 25.7 ± 2.8 | 0.879 |
| Average group clinical FTM score | – | 16.0 ± 9.2 | 20.4 ± 3.8 | 36.25 ± 12.24 | 0.011 |
| Average group sensor estimated FTM score | _ | 19.63 ± 5.4 | 24.0 ± 10.5 | 29.59 ± 10.5 | 0.197 |
| Mean PSD ratio (sensor-1) | 0.55 ± 0.37 | 2.15 ± 1.66 | 3.90 ± 2.59 | 4.74 ± 1.82 | 0.001 |
| Mean PSD ratio (sensor-2) | 0.79 ± 1.12 | 2.84 ± 2.42 | 5.16 ± 5.59 | 6.96 ± 6.24 | 0.002 |
| Mean PSD ratio (sensor-3) | 0.81 ± 0.60 | 0.88 ± 1.14 | 0.97 ± 0.95 | 2.09 ± 2.59 | 0.000 |
| Mean time | 12.64 ± 5.53 | 20.53 ± 14.23 | 19.82 ± 8.04 | 26.92 ± 14.95 | 0.007 |
Significance values are in Bold.