3.3.2 Evaluate the appropriateness of MRI compared with surgery in the diagnosis of labrum lesions 3.3.2.1 Value in the assessment of labrum compared with surgery 17 Table 3.37: Evaluation of general labrum lesions Comparison Surgery Total Yes No Labrum lesions Yes 69 2 71 No 3 23 26 Total 72 25 97 p < 0, 001 Kappa 0, 87 Comment: Sn 95, 8%, Sp 92, 0%, Acc 94, 8%, PPV 97, 2%, NPV 88, 5%.