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Table 3 Analysis of the relationship between the change in SPADI over one year and the MRI total score and individual structural changes at MRI, calculated by multiple regression analysis, adjusting for baseline SPADI, age, gender, work status, education and emotional distress

From: Shoulder MRI features with clinical correlations in subacromial pain syndrome: a cross-sectional and prognostic study

  Structural change present Change in SPADI from baseline to one year follow upa Diff change SPADI (β) P value 95% confidence interval
MRI total score −8.1 < 0.001 −12.3 to −3.8
Bursitis YES 18.4 (26.0) 10.2 0.04 0.3 to 20.1
NO 28.0 (24.5)
Tendinosis in rotator cuff YES 18.8 (25.7) 14.1 0.01 3.3 to 25.0
NO 31.1 (23.9)
Calcification in rotator cuff YES 13.9 (27.4) 7.0 0.22 −4.2 to 18.1
NO 24.9 (24.7)
Partial tear in rotator cuff YES 20.2 (24.2) 2.4 0.69 −9.5 to 14.3
NO 23.1 (26.6)
AC joint osteoarthritis YES 19.2 (24.9) 10.8 0.08 −1.1 to 22.6
NO 29.8 (26.9)
  1. aValues are mean (SD)