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Table 2 Patient demographic data

From: Unilateral-dominant reduction in muscle volume in female knee osteoarthritis patients: computed tomography-based analysis of bilateral sides

Parameter Operated side Contralateral side P value
Age (years) 72.4 ± 7.4  
Height (cm) 149.0 ± 6.0  
Weight (kg) 57.9 ± 10.4  
BMI (kg/m2) 26.1 ± 4.1  
K/L grade (1, 2, 3, 4), N 0, 0, 6, 29 2, 4, 15, 14 P = 0.127
JOA score    
Total 54.6 ± 10.6* 73.4 ± 16.3 P < 0.001
Pain on walking 16.3 ± 5.9* 21.6 ± 7.3 P < 0.001
Pain on ascending or descending stairs 6.0 ± 4.8* 14.4 ± 7.9 P < 0.001
ROM 25.7 ± 3.4* 27.9 ± 0.7 P = 0.001
Joint effusion 6.6 ± 3.8* 9.6 ± 1.4 P < 0.001
  1. Data indicate mean ± standard deviation unless otherwise indicated
  2. BMI body mass index, K/L Kellgren/Lawrence grade, JOA Japanese Orthopedic Association, ROM range of motion
  3. *P < 0.05 versus contralateral side