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Table 2 Comparison of three radiological parameters to measure acromion morphology between five shoulder pathologies

From: Critical shoulder angle combined with age predict five shoulder pathologies: a retrospective analysis of 1000 cases

  Critical Shoulder Angle (CSA) Acromion Index (AI) Lateral Acromion Angle (LAA)
Cuff tear arthropathy (CTA, n = 100) 35.2° ± 2.8° 0.69 ± 0.07 82.0° ± 6.3°
Osteoarthritis (OA, n = 100) 27.3° ± 3.5° 0.63 ± 0.09 89.5° ± 5.9°
Rotator cuff tears (RCT, n = 100) 36.3° ± 2.7° 0.74 ± 0.06 76.7° ± 5.8°
Impingement (IM, n = 100) 35.9° ± 2.7° 0.70 ± 0.05 83.2° ± 6.6°
Tendinitis calcarea (TC, n = 100) 30.2 ± 2.9 0.63 ± 0.06 84.2° ± 5.3°
CTA vs. OA p  < 0.001 p  < 0.001 p  < 0.001
CTA vs. RCT p  = 0.006 p  < 0.001 p  < 0.001
CTA vs. IM p = 0.085 p = 0.689 p = 0.225
CTA vs. TC p  < 0.001 p  < 0.001 p  = 0.011
OA vs. RCT p  < 0.001 p  < 0.001 p  < 0.001
OA vs. IM p  < 0.001 p  < 0.001 p  < 0.001
OA vs. TC p  < 0.001 p = 0.842 p  < 0.001
RCT vs. IM p = 0.289 p  = 0.001 p  < 0.001
RCT vs. TC p  < 0.001 p  < 0.001 p  < 0.001
IM vs. TC p  < 0.001 p  < 0.001 p = 0.235
  1. P Values < 0.05 are displayed in bold
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