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Table 1 Demographics of the study group at baseline divided by gender

From: Is knee osteoarthritis a symmetrical disease? Analysis of a 12 year prospective cohort study

  Male Female Total
Numbers of subjects 80 63 143
Mean Age 44.8 (5.8) 44.8 (5.9) 44.8 (5.9)
Mean Body Mass Index (kg/m2) 26.2 (4.6) 26.2 (3.2) 26.2 (3.9)
Pain at baseline (number of subjects)    
Unilateral 40 24 64
Bilateral 40 39 79
KL grade at baseline (all knees, n = 286)    
0 99 83 182
1 45 28 73
2 10 4 14
3 6 11 17
4 0 0 0
  1. Age and body mass index are reported as mean (standard deviation).