3.3.3 Value and relevance of the diagnosis of MRA 3.3.3.1 Evaluate the diagnostic compatibility of rotator cuff and labrum lesions compared with surgery Table 3.40: Assessment of diagnostic compatibility of rotator cuff and labrum lesions Surgery MRI No arthrography Arthrography Yes No Total Yes No Total Rotator cuff lesions Yes 18 0 18 6 0 6 No 3 51 54 1 18 19 Total 21 51 72 7 18 25 Kappa 0.90 1, 0 Labrum lesions Yes 19 2 21 4 1 5 No 2 49 51 0 20 20 Total 21 51 72 4 21 25 Kappa 0.87 0.87 Comment: o Rotator cuff lesions: Group without arthrography: Sn 85, 7%, Sp 100%, Acc 95, 8%, PPV 100%, NPV 94, 4%.