Table 4.
Mean and standard deviation of D2, percent jitter, percent shimmer, signal-to-noise ratio (SNR), F0, vF0, and vAm for non-pathologic patients (n = 11), non-surgical (control) PD patients (n = 10), and surgical (DBS of the STN) PD patients (n = 19)
| Non-pathologic
|
Non-surgical
|
Surgical
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Males (n = 5) | Females (n = 6) | Overall (n = 11) | Males (n = 4) | Females (n = 6) | Overall (n = 10) | Males (n = 11) | Females (n = 8) | Overall (n = 19) | |
| D2 | 2.282 (±0.671) | 2.064 (±0.327) | 2.151 (±0.494) | 3.475 (±0.287) | 3.642 (±0.716) | 3.575 (±0.565) | 2.424 (±0.449) | 2.957 (±0.881) | 2.648 (±0.698) |
| Percent jitter | 0.325 (±0.117) | 0.427 (±0.240) | 0.609 (±0.410) | ||||||
| Percent shimmer | 2.434 (±1.724) | 7.009 (±3.405) | 6.615 (±2.841) | ||||||
| SNR | 22.282 (±3.902) | 14.062 (±5.252) | 14.120 (±4.329) | ||||||
| F0 | 206.94 (±34.84) | 262.84 (±61.99) | 226.70 (±64.28) | 157.20 (±31.97) | 194.96 (±26.21) | 182.37 (±32.27) | 143.18 (±16.27) | 178.34 (±27.53) | 157.98 (±27.56) |
| vF0 | 1.355 (±0.431) | 6.708 (±8.322) | 1.816 (±1.198) | ||||||
| vAm | 9.107 (±3.107) | 10.885 (±2.289) | 9.894 (±4.800) | ||||||
Mean D2 and F0 values are also given by gender.