Table 2.
Values of BBS and posturographic parameters observed in patients and controls.
| Variable | All patients (N = 29) |
Controls (N = 12) |
p value∗ | Patients at low risk of fall (N = 23) |
p value† |
|---|---|---|---|---|---|
| BBS | 46.3 ± 8.4 | 54.3 ± 1.7 | 0.002 | 49.6 ± 4.5 | 0.002 |
| AP SD OE (mm) | 5.7 ± 3.0 | 5.9 ± 2.9 | 0.852 | 5.4 ± 2.3 | 0.596 |
| ML SD OE (mm) | 5.3 ± 2.6 | 3.4 ± 0.8 | 0.019 | 4.8 ± 2.3 | 0.050 |
| Area ellipse OE (mm2) | 601.6 ± 581.6 | 373.5 ± 202.2 | 0.195 | 510.0 ± 446.9 | 0.324 |
| Total SD OE (mm) | 15.1 ± 14.1 | 3.0 ± 1.6 | 0.005 | 14.1 ± 14.5 | 0.013 |
| AP SD OEC (mm) | 5.7 ± 3.8 | 5.4 ± 1.6 | 0.813 | 5.5 ± 3.7 | 0.957 |
| ML SD OEC (mm) | 4.8 ± 3.4 | 3.3 ± 1.3 | 0.172 | 4.5 ± 3.5 | 0.283 |
| Area ellipse OEC (mm2) | 477.1 ± 493.2 | 321.4 ± 179.7 | 0.297 | 385.7 ± 376.4 | 0.583 |
| Total SD OEC (mm) | 13.1 ± 13.6 | 3.5 ± 2.1 | 0.020 | 14.0 ± 14.3 | 0.017 |
∗ p value for the comparison between all patients and controls.
† p value for the comparison between patients at low risk of fall and controls.
BBS: Berg Balance Scale; UPDRS III (ON state): Unified Parkinson's Disease Rating Scale III; OE: open eyes; OEC: open eyes counting; AP SD OE: anteroposterior standard deviation of trunk sway with open eyes; ML SD OE: mediolateral standard deviation of trunk sway with open eyes; Total SD OE: total standard deviation of trunk sway with open eyes; AP SD OEC: anteroposterior standard deviation of trunk sway with open eyes counting; ML SD OEC: mediolateral standard deviation of trunk sway with open eyes counting; Total SD OEC: total standard deviation of trunk sway with open eyes counting.