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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.