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Table 2 Regression coefficient from multiple regression analysis, characterizing the association between increased corrected AAA (per degree) and three-dimensional foot posture (n = 88 knees)

From: Association of frontal plane knee alignment with foot posture in patients with medial knee osteoarthritis

Dependent variables Beta (95% CI) of corrected AAA, per degree*
Crude model Adjusted model
Hallux valgus angle −0.40 (−0.71, −0.09)* −0.40 (−0.72, −0.09)*
Navicular height −0.02 (−0.32, 0.29) 0.08 (−0.21, 0.38)
Navicular height/foot length −0.002 (−0.13, 0.12) 0.03 (−0.10, 0.15)
Calcaneus angle relative to floor 0.31 (0.09, 0.53)** 0.33 (0.10, 0.56)**
Rearfoot angle −0.10 (−0.27, 0.06) −0.09 (−0.26, 0.08)
  1. 95% CI = 95% confidence interval; AAA = anatomical axis angle
  2. The value of regression of coefficient (beta) for each dependent variable is described per degree of AAA (continuous) to indicate the predictive ability using 2 cumulative models of multiple regression analyses
  3. Adjusted model includes values derived from multiple regression analysis with age, (continuous), sex (0: male, 1: female), and body mass index (continuous) entered simultaneously (one-step model) as predictors
  4. *P < 0.05, **P < 0.01. Bold indicates a statistically significant result