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Table 4 Association between Kellgren and Lawrence osteoarthritis grading and knee score, function score and age

From: Genetic, clinical and radiographic signs in knee osteoarthritis susceptibility

  KL score  
  Group A Group B Group C P valuea
  n % n % n %  
Low knee score 8 33.3 17 81 21 100 <0.0001
Medium knee score 15 62.5 4 19 0 0
High knee score 1 4.2 0 0 0 0
Low function score 8 33.3 13 62 15 71.4 0.022
Medium function score 10 41.7 7 33.3 6 28.6
High function score 6 25 1 4.7 0 0
Age 54 to 65 14 58.3 8 38.1 2 9.5 0.0011
Age 66 to 86 10 41.7 13 61.9 19 90.5
  1. KL, Kellgren and Lawrence osteoarthritis grading scale; n, number of patients. aChi-squared test.