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Table 1 Sample characterization

From: Quadriceps muscle weakness influences the gait pattern in women with knee osteoarthritis

  KOAG (n = 38) CG (n = 33) P
Age (years) 66.49 ± 7.64 64.52 ± 7.12 0.36
Body weight (kg) 76.51 ± 14.77 67.42 ± 11.39 0.22
Height (m) 1.56 ± 0.06 1.55 ± 0.05 0.88
BMI (kg/m2) 31.01 ± 4.86 27.94 ± 4.58 0.96
WOMAC questionnaire
 Pain intensity (0–20) 8.87 ± 2.93 0.33 ± 0.56 <  0.001*
 Stiffness (0–8) 3.08 ± 1.61 0 <  0.001*
 Physical fitness (0–68) 30.70 ± 6.06 5.70 ± 2.33 <  0.001*
 Total (0–96) 42.66 ± 8.61 6.04 ± 2.36 <  0.001*
  1. Mean values ± standard deviation, KOAG knee osteoarthritis group, CG control group, kg kilograms, m meters