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Table 1 Frequency of specific US-diagnosed shoulder disorders including comparisons for the ‘age’ and ‘duration of pain’ subgroups

From: Ultrasound-diagnosed disorders in shoulder patients in daily general practice: a retrospective observational study

  Total Age Duration of pain in weeks
n = 240 <65 (n = 216) ≥65 (n = 24) <12 weeks (n = 33) ≥12 weeks (n = 46)
n % n % 95% CI n % 95% CI n % 95% CI n % 95% CI
Calcific tendonitis 69 28.8 65 30.1 23.9-36.7 4 16.6 0.6-32.7 5 15.2 2.2-28.1 12 26.1 12.9-39.3
SASD bursitis 29 12.1 26 12 7.7-16.4 3 12.5 −1.8-26.8 4 12.1 0.4-23.9 6 13 2.9-23.1
Tendinopathy 27 11.3 22 10.2 6.1-14.3 5 20.8 3.3-38.4 3 9.1 −1.3-19.4 3 6.5 0.9-13.9
Partial-thickness tear 27 11.3 23 10.7 6.5-14.8 4 16.6 0.6-32.7 5 15.2 2.2-28.1 6 13 2.9-23.2
Full-thickness tear 20 8.3 13 6 2.8-9.2* 7 29.2 9.6-48.8* 2 6.1 −2.5-14.7 2 4.3 −1.8-10.5
AC-osteoarthritis 1 0.4 1 0.5 −0.5-1.0 0 0   0 0   0 0  
Other 18 7.5 14 6.5 3.2-9.8 4 16.6 0.6-32.7 2 6.1 −2.5-14.7 2 4.3 −1.8-10.5
No disorder 97 40.4 92 42.6 40.0-49.2* 5 20.8 3.3-38.6* 16 48.5 30.5-66.5 22 47.8 32.8-62.8
  1. SASD subacromial-subdeltoid; AC acromio-clavicular joint.
  2. *Significant finding (p < 0.05).