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Table 2 Relationship between patella inclination, sulcus angle and patella height and Western Ontario and McMaster University Osteoarthritis Index (WOMAC) pain score

From: The associations between indices of patellofemoral geometry and knee pain and patella cartilage volume: a cross-sectional study

  Univariate Analysis   Multivariate Analysis*  
  Regression coefficient (95% CI) P value Regression coefficient (95% CI) P value
LCPA -1.74 (-3.27, -0.21) 0.03 -1.57 (-3.05, -0.09) 0.04
SA 0.25 (-0.85, 1.34) 0.66 0.04 (-1.02, 1.09) 0.95
I-S ratio 57.26 (-13.23, 127.74) 0.11 33.01 (-36.83, 102.85) 0.35
  1. LCPA = lateral condyle-patella angle, SA = sulcus angle, I-S Ratio = Insall-Salvati Ratio, CI = Confidence Interval
  2. *adjusted for age, gender, BMI, patella cartilage volume and bone size