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Table 1 Correlation of US and MRI findings with surgical diagnoses of partial-thickness (PTT) and full-thickness (FTT) rotator cuff tears

From: Detection of rotator cuff tears: the value of MRI following ultrasound

  Ultrasound Magnetic resonance imaging**
No tear PTT FTT Total No tear PTT FTT Total
Surgical diagnoses
No tear 24 11 2 37 26 8 3 37
 PTT 0 8 1 9 2 6 1 9
 FTT 0 1 21 22 0 0 22 22
 Total 24 20 24 68 28 14 26 68
 Accuracy 53/68 (78%)* [66%-87%] 54/68 (79%)* [68%-88%]
 Specificity 24/37 (65%)* [47%-80%] 26/37 (70%)* [53%-84%]
  1. *The exact 95% confidence interval is given between brackets
  2. **MRI and MR arthrography
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