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Table 2 Comparison between patients who progressed to arthroplasty with those who did not have arthroplasty within a period of 11 years

From: Relationship between probability of future shoulder arthroplasty and outcomes of arthroscopic debridement in patients with advanced osteoarthritis of glenohumeral joint

Variables Arthroplasty (N = 18) No Arthroplasty (N = 38) Between group differences
RCMS (0–110)    
 Pre debridement 38 (18) 43 (18) NS
 Post debridement 42 (18) 67 (25) P < 0.0001
 Change 5 (23) 24 (27) p = 0.01
P values for change NS P < 0.0001  
ASES (0–100)    
 Pre debridement 36 (18) 44 (18) NS
 Post debridement 42 (17) 65 (23) p = 0.0001
 Change 6 (20) 22 (29) p = 0.02
P values for change NS P < 0.0001  
Strength (0–30 lbs)    
 Pre debridement 4.8 (5.3) 4.9 (4.5) NS
 Post debridement 7.6 (5.5) 9.8 (6.5) NS
 Change 2.8 (7) 4.0 (6) NS
P values for change NS P = 0.0007  
Painfree ROM (0–40)    
 Pre debridement 14 (9) 18 (10) NS
 Post debridement 15 (8) 24 (11) p = 0.0006
 Change 0.11 (10) 6.9 (11) p = 0.03
P values for change NS P = 0.0004  
  1. ASES American Shoulder and Elbow Surgeon’s score
  2. RCMS Relative Constant-Murley score
  3. ROM Range of Motion