TABLE 2.
Comparison of Baseline Tremor Characteristics in OrgT and PsyT
| Significance level | PsyT | OrgT | P Value |
|---|---|---|---|
| Rest PF (Hz) | 5.6 ± 1.5 | 5.1 ± 0.9 | 0.3 |
| Rest TP (G2 ) | 0.00067 ± 0.00115 | 0.00032 ± 0.00059 | 0.4 |
| Rest HWP (G2 ) | 0.00023 ± 0.00052 | 0.00009 ± 0.00020 | 0.3 |
| Rest FWHM (G2 ) | 1.8 ± 0.3 | 2.2 ± 0.9 | 0.2 |
| Posture PF (Hz) | 5.9 ± 2.0 | 5.8 ± 1.0 | 0.9 |
| Posture TP (G2 ) | 0.00151 ± 0.00235 | 0.00047 ± 0.00126 | 0.2 |
| Posture HWP (G2 ) | 0.00036 ± 0.00044 | 0.00009 ± 0.00020 | 0.056 |
| Posture FWHM (G2 ) | 2.0 ± 0.5 | 2.1 ± 0.9 | 0.6 |
| Action PF (Hz) | 6.3 ± 1.7 | 6.4 ± 1.5 | 0.8 |
| Action TP (G2 ) | 0.00149 ± 0.00124 | 0.00041 ± 0.00041 | <0.001* |
| Action HWP (G2 ) | 0.00059 ± 0.00049 | 0.00017 ± 0.00019 | 0.001* |
| Action FWHM (G2 ) | 3.2 ± 0.9 | 3.4 ± 1.2 | 0.5 |
| EMG burst duration (ms) | 93.1 ± 22.8 | 89.3 ± 21.2 | 0.6 |
| Phase (degrees) | 104.3 ± 72.1 | 99.4 ± 66.7 | 0.8 |
All values are given as mean ± standard deviation. A star indicates a significant difference between the groups at a 5% level.
Abbreviations: PsyT, psychogenic tremor group; OrgT, organic tremor group; PF, peak tremor frequency; TP, total power; HWP, half-width power; FWHM, full-width half maximum; Hz, hertz; G, gravity.