When examining correlations within each kyphosis group, the relationship between Cobb angle and SIR remained weak and failed to reach statistical significance: In Group A, the correlation coefficient was R = 0.235 ( p = 0.094), In Group B, R = 0.046 ( p = 0.718), In Group C, R = 0.158 ( p = 0.278).
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Preoperative Radiographic Thoracic Kyphosis Relates to Scapular Internal Rotation but Not Anterior Tilt in Candidates for Reverse Shoulder Arthroplasty: A Retrospective Radiographic Analysis from the FP-UCBM Shoulder Study Group.
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0.0940
0.2230
The sentences
did not achieve significancep = 0.223
However, the difference between Group A and Group B did not achieve significance ( p = 0.223), suggesting that the most notable changes in scapular internal rotation are observed in individuals with more severe kyphosis.