Official Journal of the Italian Society of Orthopaedics and Traumatology
Hip osteoarthritis (n = 34) | Healthy controls (n = 25) | ||||
---|---|---|---|---|---|
Pre-THA mean (SD) | Mean change (SD) | Effect size (95 % CI) | Post-THA mean (SD) | Control group mean (SD) | |
Performance-based function | |||||
Five Times Sit to Stand Test | 15.7 (6.8) | −4.1 (6.7)* | 0.9 (0.3–1.4) | 11.6 (2.9) | 9.9 (2.9)* |
Timed Up and Go Test | 12.5 (2.2) | −1.6 (2.1) | 1.1 (0.5–1.6) | 10.9 (1.6) | 8.8 (1.4) |
Single Limb Mini Squat test | 19.6 (7.7) | 4.7 (7.9)* | 0.8 (0.3–1.4) | 24.4 (9.1) | 29.3 (10.9) |
Overall gait pattern | |||||
GDI, operated limb | 85.3 (9.0) | 6.9 (13.3)* | 0.7 (0.3–1.2) | 92.2 (11.2) | 96.6 (9) |
GDI, nonoperated limb | 89.6 (9.7) | 4.5 (12.1)* | 0.5 (0.0–1.0) | 94.1 (9.3) | 96.6 (9) |
GDI-kinetic, operated limb | 92.5 (6.3) | 2.8 (9.5) | 0.4 (0.0–0.9) | 95.4 (8.6) | 100 (8.6)* |
GDI-kinetic, nonoperated limb | 90.4 (8.3) | 4.7 (10.1)* | 0.7 (0.2–1.2) | 95.1 (10.7) | 100 (8.6) |
Time and distance parameters | |||||
Walking speed (m/s) | 1.1 (0.3) | 0.1 (0.3)* | 0.8 (0.3–1.3) | 1.2 (0.2) | 1.3 (0.2)* |
Normalized walking speed | 0.36 (0.05) | 0.04 (0.06) | 0.9 (0.4–1.5) | 0.40 (0.06) | 0.44 (0.06)* |
Stride length (m) | 1.14 (0.13) | 0.08 (0.09) | 1.2 (0.6–1.7) | 1.21 (0.12) | 1.34 (0.11) |
Patient-reported function | |||||
HOOS symptoms | 40 (14) | 42 (17) | 3.4 (2.5–4.4) | 82 (14) | 95 (6) |
HOOS pain | 44 (12) | 42 (17) | 3.6 (2.6–4.5) | 86 (13) | 97 (5) |
HOOS ADL | 50 (14) | 37 (18) | 2.9 (2.0–3.7) | 87 (13) | 96 (7)* |
HOOS sport and recreation | 26 (17) | 42 (29) | 2.1 (1.4–2.7) | 69 (24) | 98 (9) |
HOOS quality of life | 28 (15) | 44 (19) | 3.2 (2.3–4.1) | 72 (17) | 95 (8) |