Group

Number

Positive

Negative

Test criterion

Exposed

53

28

52.8%

25

     47.2%

 

Chi2=6.57 df=1  P=0.0104

RR= 1.526(CI: 1.13-3.15)

Unexposed

50

14

28%

36

72%

Total

103

42
40.8%

61
59.2%
Table 1: Comparison of correlation between frequency distribution of knee OA in the studied women according to group.
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