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. Author manuscript; available in PMC: 2012 Jul 10.
Published in final edited form as: Arthritis Care Res (Hoboken). 2011 Jul;63(7):10.1002/acr.20431. doi: 10.1002/acr.20431

Table 2.

Knee pain, medial and lateral tibiofemoral (TF) and patellofemoral (PF) cartilage damage among the most planus feet and among all other feet

Other Feet
SAI = 0–0.56
Planus Feet
0.57–1.20
p-value
Knee Pain
  # of knees 2699 1047
  % painful 20.6 30.4 0.009
  Adjusted OR* 1.00 1.31
  (95% CI) (reference) (1.07, 1.60)
Cartilage Damage
Medial TF
  # of plates 3658 1786
  % WORMS ≥2 18.9 29.0 0.002
  Adjusted OR* 1.00 1.43
  (95% CI) (reference) (1.14, 1.81)
Lateral TF
  # of plates 3659 1781
  % WORMS ≥2 10.1 12.1 0.75
  Adjusted OR* 1.00 1.05
  (95% CI) (reference) (0.78, 1.40)
Medial PF
  # of plates 1427 689
  % WORMS ≥2 44.4 49.1 0.81
  Adjusted OR* 1.00 0.97
  (95% CI) (reference) (0.77, 1.23)
Lateral PF
  # of plates 1450 708
  % WORMS ≥2 28.8 34.0 0.77
  Adjusted OR* 1.00 0.96
  (95% CI) (reference) (0.74, 1.24)
*

Adjusted for age, sex, BMI