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Table 3 Linear mixed model describing estimated and fixed effects on ankle kinematics after surgery involving tendons around the knee

From: Influence of surgery involving tendons around the knee joint on ankle motion during gait in patients with cerebral palsy

Effect Peak ankle dorsiflexion at IC Peak ankle dorsiflexion during stance Peak ankle dorsiflexion during swing Dynamic ankle ROM
Estimate CI P-value Estimate CI P -value Estimate CI P -value Estimate CI P -value
Intercept 13.8 −2.4– 30.1 0.091 25.6 8.4–42.7 0.005 8.0 −1.4–17.5 0.094 31.7 11.8–51.6 0.003
Age −0.3 −0.9 – 0.3 0.314 −0.1 −0.7 – 0.5 0.749 − 0.3 − 0.6 – 0.1 0.119 − 0.2 − 0.9 – 0.5 0.583
Laterality (Right) 1.5 −4.0 – 6.9 0.594 1.2 −4.5 – 7.0 0.669 −1.0 −4.2 – 2.1 0.519 0.6 −6.1 – 7.3 0.862
DHL only 6.2 0.5–11.8 0.032 6.8 0.9–12.7 0.025 −1.0 −4.3 – 2.3 0.540 8.2 1.3–15.1 0.020
aKnee flexion at IC 0.2 −0.6 – 1.1 0.603 −0.5 −1.4 – 0.4 0.287 −0.7 −1.8 – 0.3 0.179 −0.4 −0.9 – 0.1 0.152
aPeak knee flexion during swing 0.0 −0.4 – 0.4 0.906 0.3 −0.1 – 0.7 0.132 0.0 −0.5 – 0.5 0.952 0.4 0.2–0.6 < 0.001
aTotal knee ROM −0.4 − 0.7 – − 0.1 0.016 −0.6 −1.0 – − 0.3 < 0.001 −0.5 − 1.0 – − 0.2 0.006 -0.2 −0.4 – 0.0 0.038
aKnee flexion in terminal swing −0.2 −1.0 – 0.6 0.618 0.3 −0.6 – 1.1 0.515 0.6 −0.4 – 1.5 0.230 0.2 −0.2 – 0.7 0.289
  1. CI 95% confidence interval, IC initial contact, ROM range of motion
  2. aEach degree of increase in kinematics