Table 1.
Tremor parameters in normal subjects and in patients with Parkinson's disease.
| fp (Hz) |
Ap (g) |
Ppf (mV2) |
Ptot (mV2) |
Plf (mV2) |
Phf (mV2) |
|
|---|---|---|---|---|---|---|
| Controls (n = 10) | 2.6 ± 1.5 | 0.0021 ± 0.0011 | 0.003 ± 0.003 | 0.022 ± 0.0068 | 0.007 ± 0.003 | 0.006 ± 0.004 |
| Parkinson (n = 10) | 5.4 ± 1.5 | 0.091 ± 0.0791 | 6.7 ± 9.5 | 42.1 ± 48.1 | 9.2 ± 14.0 | 24.6 ± 25.8 |
| p | < 0.01 | < 0.01 | < 0.001 | < 0.001 | <0.001 | <0.001 |
| Sensitivity (%) | 100 | 100 | 100 | 100 | 100 | 100 |
| Specificity (%) | 80 | 100 | 100 | 100 | 100 | 100 |
| AUC | 0.895 | 1 | 1 | 1 | 1 | 1 |
Values are presented as means ± SD. SD = standard deviation; fp = peak frequency; Ap = peak amplitude; Pfp power around the peak frequency; Ptot = total power; Plf = power in low frequency; Phf = power in high frequency; AUC = area under the receiver operating characteristic curve.