Table I. —Patient demographics.
| Variables | Total | Severe ankle impairment group (N.=15) |
Mild ankle impairment group (N.=17) |
P value |
|---|---|---|---|---|
| Age, years | 48.3±20.0 | 44.0±20.6 | 52.0±19.2 | 0.265 |
| Height, cm | 165.3±8.6 | 166.3±8.1 | 164.4±9.1 | 0.529 |
| Weight, kg | 60.8±14.4 | 60.5±15.2 | 61.0±14.1 | 0.934 |
| Sex, male/female | 22/10 | 11/4 | 11/6 | 0.599 |
| Diagnosis, intracerebral hemorrhage/cerebral infarction | 11/21 | 6/9 | 5/12 | 0.529 |
| Time after stroke, days | 140 (65-2439) | 322 (70-2439) | 82 (65-1768) | 0.025* |
| Affected side, right/left | 17/15 | 6/9 | 11/6 | 0.162 |
| Score of lower extremity motor function on the SIAS | 9.9±1.8 | 8.5±1.3 | 11.1±1.2 | <0.0001** |
| Hip-flexion test | 3.7±0.5 | 3.5±0.5 | 3.9±0.3 | 0.033* |
| Knee-extension test | 3.5±0.6 | 3.3±0.6 | 3.6±0.6 | 0.058 |
| Foot-tap test | 2.7±1.1 | 1.7±0.6 | 3.5±0.6 | <0.0001** |
| Treadmill speed, km/h | 2.7±0.8 | 2.4±0.7 | 2.9±0.7 | 0.101 |
| Functional ambulation categories | 4.6±0.5 | 4.7±0.5 | 4.5±0.5 | 0.451 |
| Type of AFO, tAFOs/APS-AFOs | 15/17 | 7/8 | 8/9 | 0.982 |
*P<0.05; **P<0.01. AFO: ankle-foot orthosis; APS-AFO: adjustable posterior strut-AFO; SIAS: stroke impairment assessment set; tAFO: thermoplastic AFO.