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Table 5 Patient characteristics potentially associated with five shoulder pathologies

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

Variable Cuff tear arthropathy (CTA, n = 100) Osteo- arthritis (OA, n = 100) Rotator cuff tears (RCT, n = 100) Impingement (IM, n = 100) Tendinitis calcarea (TC, n = 100) Comparison between groups
Gender (female/male) 75/25 67/33 48/52 44/56 73/27 p < 0.001§
CTA vs. OA/RCT/IM/TC   p = 0.275 p < 0.001 p < 0.001 p = 0.872  
OA vs. RCT/IM/TC    p = 0.010 p = 0.002 p = 0.441  
RCT vs. IM/TC     p = 0.670 p < 0.001  
IM vs. TC      p < 0.001  
Shoulder side (right/left) 70/30 40/60 62/38 55/45 49/51 p < 0.001§
CTA vs. OA/RCT/IM/TC   p < 0.001 p = 0.296 p = 0.041 p = 0.004  
OA vs. RCT/IM/TC    p = 0.003 p = 0.047 p = 0.255  
RCT vs. IM/TC     p = 0.389 p = 0.087  
IM vs. TC      p = 0.479  
Age (years) 74.7 ± 7.5 69.3 ± 9.7 64.6 ± 7.4 53.0 ± 10.7 47.1 ± 8.4 p < 0.001§
  75 (55–89) 68 (44–91) 64 (48–80) 52.5 (29–79) 47 (30–66)  
CTA vs. OA/RCT/IM/TC   p < 0.001 p < 0.001 p < 0.001 p < 0.001  
OA vs. RCT/IM/TC    p < 0.001 p < 0.001 p < 0.001  
RCT vs. IM/TC     p < 0.001 p < 0.001  
IM vs. TC      p < 0.001  
BMI (kg/m2) 28.4 ± 4.7 29.9 ± 5.1 27.9 ± 4.4 26.8 ± 4.9 25.2 ± 4.1 p < 0.001§
  27.6 (19–43) 29.7 (20–48) 27.5 (19–41) 26.0 (18–42) 24.8 (18–43)  
CTA vs. OA/RCT/IM/TC   p = 0.035 p = 0.410 p = 0.014 p < 0.001  
OA vs. RCT/IM/TC    p = 0.003 p < 0.001 p < 0.001  
RCT vs. IM/TC     p = 0.081 p < 0.001  
IM vs. TC      p = 0.018  
  1. P values were calculated with Chi2-test or Fisher exact t-test. P values were calculated with the independent t-test. § P values were calculated using ANOVA