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Comparison of critical shoulder angle measurements between methods and observers
|
|
Observer 1 (Smith GCS)
|
Observer 2 (Mah D)
|
Combined
|
| Means (SD) | |||
| Radiographs | 32.42° (4.58°) | 32.88° (3.96°) | 32.55° (4.26°) |
| CT-based method | 29.86° (3.61°) | 29.79° (3.41°) | 29.82° (3.49°) |
| Inter-method | |||
| Difference (LOA) | 12.46° (-3.05° to +7.24°) | 12.99° (-3.15° to +7.97°) | 12.73° (-2.17° to +7.63°) |
| Pearson’s r | 10.769 | 10.725 | 10.748 |
Indicates P < 0.001. LOA: Limits of agreement.
