Table 4 Linear mixed effects model on change of HHS over time (n = 94). Coefficients (b), standard errors (SE), z-values, p-values, and 95% confidence intervals given.
From: Leg length measures appear inaccurate in the early phase following total hip arthroplasty
HHS (points) | b | (SE) | z | P value | 95% Conf. Interval | |
|---|---|---|---|---|---|---|
Time (weeks) | Preop (Ref.) | |||||
12 | 37.78 | 2.91 | 13.00 | < 0.001 | [32.09; 43.48] | |
52 | 41.32 | 2.87 | 14.41 | < 0.001 | [35.70; 46.94] | |
Age | − 0.14 | 0.09 | − 1.48 | 0.138 | [− 0.32; 0.04] | |
Gender (male) | 5.06 | 1.56 | 3.24 | 0.001 | [1.20; 8.11] | |
BMI | − 0.25 | 0.17 | − 1.50 | 0.133 | [− 0.57; 0.08] | |
LLD | − 0.10 | 0.39 | − 0.26 | 0.798 | [− 0.88; 0.67] | |
Orthopaedic arch support for perceived LLD (yes) | − 5.72 | 1.96 | − 2.91 | 0.004 | [− 9.56; − 1.87] | |
Time (weeks) × LLD | Preop (Ref.) | |||||
12 | 0.43 | 0.43 | 0.99 | 0.321 | [− 0.42; 1.28] | |
52 | 0.32 | 0.43 | 0.75 | 0.455 | [− 0.52; 1.15] | |
Constant | 67.09 | 7.81 | 8.59 | < 0.001 | [51.78; 82.41] | |
