Table 2.
Comparisons of fall and gait data (average ± standard deviation) between cases and controls.
| Dependent Variables | Mean ± Standard Deviation | F/X2 value a | p value | |
|---|---|---|---|---|
|
| ||||
| Cases PD w/PN | Controls PD w/o PN | |||
| History of falls (yes/no) | 7/7 (50%) | 2/12 (14%) | 4.452 | 0.043b |
| History of falls (0–4 scale) | 0.6 ± 0.7 | 0.1 ± 0.4 | 5.096 | 0.033b |
| Gait speed (% height/s) | 55.4 ± 11.0 | 66.0 ± 10.8 | 6.639 | 0.016b |
| Stride length (% height) | 63.1 ± 10.9 | 73.0 ± 8.2 | 7.453 | 0.011b |
| Stride length variability (CoV) | 4.0 ± 1.6 | 2.5 ± 0.6 | 10.241 | 0.004b |
| Stride time (s) | 1.1 ± 0.1 | 1.1 ± 0.1 | 0.540 | 0.469 |
| Stride time variability (CoV) | 3.8 ± 3.7 | 2.9 ± 2.2 | 0.711 | 0.407 |
a
X2 value calculated for the binary variable ‘history of falls’.
b
Statistically significant after correcting for multiple comparisons using the Benjamini-Hochberg procedure.
PD: Parkinson’s disease; PN: peripheral neuropathy; CoV: coefficient of variation.