Table III.
Agreement between MRI and intraoperative assessments of pectoralis major tears.
| Tear characteristic` | No. of tears | Percentage (%) | Agreement∗ (%) | P value |
|---|---|---|---|---|
| Complete | 56 | 78.9 | 83.9 | < .01 |
| Partial | 15 | 21.1 | 60.0 | |
| Complete, sternal head | 43 | 60.6 | 81.4 | .01 |
| Complete, sternal + clavicular heads | 13 | 18.3 | 46.2 | |
| Partial, sternal head | 13 | 18.3 | 53.8 | .47 |
| Partial, sternal + clavicular heads | 2 | 2.8 | 0 | |
| Complete, humeral insertion site | 25 | 35.2 | 80 | .40 |
| Complete, myotendinous junction | 30 | 42.3 | 70 |
MRI, magnetic resonance imaging.
Significance is denoted in bold.
∗
Denotes percentage agreement between MRI, radiographs, and intraoperative findings.