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Table 1 Patient characteristics

From: The maximal gait speed is a simple and useful prognostic indicator for functional recovery after total hip arthroplasty

Factorn = 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 disease46 (14.5%)
 Knee disease19 (6.0%)
 Diabetes mellitus16 (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%)
  1. Values are presented as the mean ± SD (range), n (%)
  2. %BW, percentage of body weight; ROM, range of motion