Table 1 Patient characteristics
Factor | n = 317 |
|---|---|
Age (years) | 64.7 ± 11.8 (30–95) |
Sex (n, %female) | 261 (82.3%) |
Body-mass index (kg/m2) | 24.5 ± 4.6 (14.4–42.2) |
Comorbidities, n (%) | |
 Lumbar disease | 46 (14.5%) |
 Knee disease | 19 (6.0%) |
 Diabetes mellitus | 16 (5.0%) |
Preoperative Functional Assessment | |
 Hip pain (affected side, mm) | 56.4 ± 28.9 (0–100) |
 Knee extensor strength (affected side, %BW) | 32.9 ± 13.6 (6.6–87.9) |
 Hip abductor strength (affected side, %BW) | 18.2 ± 8.8 (2.3–47.2) |
 Hip flexion ROM (affected side, °) | 87.8 ± 19.6 (20–132) |
 Usual gait speed (m/s) | 0.89 ± 0.28 (0.22–1.56) |
 Maximal gait speed (m/s) | 1.23 ± 0.42 (0.23–2.56) |
 Time to functional recovery (days) | 6.4 ± 3.1 (2–23) |
 Length of hospital stay (days) | 13.5 ± 4.5 (5–31) |
 Discharge to rehabilitation facilities, n (%) | 71 (22.4%) |