Fig. 3From: Associations of normal fasting glucose levels and of insulin resistance with degenerative rotator cuff tearReceiver operating curve analysis for the cut-off value of fasting glucose level. Area under curve was 0.68 (95% CI 0.62 to 0.75; p < .001). Cut-off value was 90.5 mg/dL (sensitivity 72%, specificity 65%, positive predictive value 29%, and negative predictive value 92%)Back to article page