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Table 1 Total counts of patients grouped according to the intraoperative CD consistency and CT density

From: Preoperative planning of calcium deposit removal in calcifying tendinitis of the rotator cuff - possible contribution of computed tomography, ultrasound and conventional X-Ray

CT   Soft/Liquid (n) Solid(n) n  
TP HU <300 (n) 26 2 28 PPV Soft/Liquid/NPVSolid 92.9
TN HU >300 (n) 15 108 123 PPV Solid/NPVSoft/Liquid 87.8
   41 110 151  
  Specifity 98.2 63.4   
  Sensitivity 63.4 98.2   
  1. Specifity and sensitivity to diagnose a soft or solid deposit and positive (PPV and negative (NPV) predictive value of the CTs have been calculated.