Variable | Gait score | Regularity index | Pace index | Variability index | Smoothness Index | |||||
---|---|---|---|---|---|---|---|---|---|---|
mean ± SD | p-value | mean ± SD | p-value | mean ± SD | p-value | mean ± SD | p-value | means ± SD | p value | |
Older-old adult (aged ≥75 years) | 13.2 ± 6.7 | 0.002 | 4.2 ± 3.1 | 0.33 | 2.3 ± 2.0 | < 0.001 | 2.6 ± 1.9 | 0.03 | 4.0 ± 2.5 | 0.04 |
Younger-old adult | 15.6 ± 6.2 |  | 4.6 ± 2.9 |  | 3.2 ± 2.0 |  | 3.2 ± 2.0 |  | 4.7 ± 2.6 |  |
Impaired lower-extremity strength (5CS > 11.1 s) | 12.5 ± 6.5 | 0.007 | 4.0 ± 3.2 | 0.22 | 2.3 ± 1.8 | 0.01 | 2.37 ± 2.1 | 0.35 | 3.6 ± 2.5 | 0.01 |
Normal lower-extremity strength | 15.3 ± 6.3 |  | 4.5 ± 2.9 |  | 3.1 ± 2.0 |  | 3.0 ± 2.0 |  | 4.6 ± 2.5 |  |
Impaired balance (tandem test < 3.0 s) | 11.7 ± 6.5 | <  0.001 | 3.1 ± 2.8 | 0.001 | 2.4 ± 2.2 | 0.04 | 2.4 ± 1.9 | 0.04 | 3.9 ± 2.6 | 0.11 |
Normal balance | 15.4 ± 6.2 |  | 4.7 ± 2.9 |  | 3.1 ± 2.4 |  | 3.1 ± 2.0 |  | 4.6 ± 2.5 |  |
Faller | 13.5 ± 7.4 | 0.04 | 3.6 ± 3.0 | 0.007 | 2.6 ± 2.1 | 0.08 | 3.0 ± 1.0 | 0.95 | 4.3 ± 2.6 | 0.48 |
Non-faller | 15.3 ± 6.1 |  | 4.7 ± 2.9 |  | 3.1 ± 2.0 |  | 3.1 ± 2.1 |  | 4.5 ± 2.6 |  |
FoF | 12.9 ± 6.6 | <  0.001 | 4.0 ± 3.0 | 0.048 | 2.4 ± 2.1 | 0.002 | 2.7 ± 2.0 | 0.07 | 3.8 ± 2.4 | 0.003 |
No FoF | 15.7 ± 6.2 |  | 4.7 ± 2.9 |  | 3.2 ± 2.0 |  | 3.1 ± 1.9 |  | 4.7 ± 2.6 |  |