Table 4: Number of successful versus unsuccessful blind arthrocenthesis in OA patients K-L Rö IV.

Accuracy of “blind”

arthrocentesis

 

K-L Rö IV

25 HJ

18.5 ˂ BMI 32

23 HJ

32 ˂ BMI 38

2 HJ

Successful

10/25 (40%)

10/23 (43.2%)

0 (0%)

Unsuccessful

15/25 (60%)

13/23 (56.8%)

2/2 (100%)