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Table 1 Comparison of various variables between the satisfactory and unsatisfactory outcome groups

From: Prognostic factors affecting clinical outcomes after arthroscopic rotator cuff repair: importance of functional recovery by 3 months after surgery

  Group A Group B P value
Age (years) 63.8 60.5 0.26
Sex (n)
 Male 35 9  
 Female 24 3 0.31
Disease duration (weeks) 10.2 9.6 0.86
Trauma (n) 20 6 0.28
Contracture (n) 23 2 0.13
Diabetes mellitus (n) 6 1 0.85
Workmen’s accident (n) 5 1 0.95
Re-tear (n) 8 2 0.70
Preoperative ROM
 Elevation (°) 109 94 0.22
 Abduction (°) 104 69 0.02b
 Internal rotation (vertebrae) 4.3 4.5 0.90
 External rotation (°) 41 37 0.47
Preoperative muscle strength
 Elevation 0.77 0.70 0.52
 Abduction 0.72 0.51 0.10
 Internal rotation 0.86 0.87 0.90
 External rotation 0.69 0.58 0.39
Preoperative VAS 5.66 5.55 0.91
Postoperative (PO) ROM
 PO 2M elevation (°) 117 96 0.02b
  Abduction (°) 104 85 0.09
  Internal rotation (vertebrae) 2.1 1.0 0.08
  External rotation (°) 29 16 0.03b
 PO 3M elevation (°) 135 107 0.001b
  Abduction (°) 126 92 0.003b
  Internal rotation (vertebrae) 4.1 1.7 0.005b
  External rotation (°) 36 23 0.024b
Postoperative (PO) muscle strengtha
 PO 2M elevation 0.384 0.400 0.85
  Abduction 0.377 0.455 0.44
  Internal rotation 0.711 0.602 0.21
  External rotation 0.514 0.533 0.86
 PO 3M elevation 0.577 0.431 0.07
  Abduction 0.595 0.481 0.21
  Internal rotation 0.838 0.715 0.12
  External rotation 0.765 0.523 0.004b
Postoperative (PO) VAS
 PO 2M VAS 3.01 5.75 0.001b
 PO 3M VAS 2.46 4.71 0.012b
Radiographic findings
 Acromiohumeral interval (mm)
  Preoperative 9.57 9.1 0.64
  Postoperative 12.16 12.42 0.75
 Oizumi classification (n)
  Grade 0 32 3  
  Grade 1 19 5  
  Grade 2 6 2  
  Grade 3 2 2  
  Grade 4 0 0 0.10
Preoperative findings on MR images
 Cofield classification (n)
  Small 15 0  
  Moderate 35 6  
  Large 9 6 0.04b
 Retraction (mm) 14. 31 17.77 0.18
 Width (mm) 20.8 30.9 0.011b
 Goutallier classification
  Supraspinatus (n)
   Stage 0 7 1  
   Stage 1 27 4  
   Stage 2 23 3  
   Stage 3 2 3  
   Stage 4 0 1 0.13
  Infraspinatus (n)
   Stage 0 34 6  
   Stage 1 19 5  
   Stage 2 6 1  
   Stage 3 0 0  
   Stage 4 0 0 0.92
  Subscapularis (n)
   Stage 0 39 5  
   Stage 1 17 5  
   Stage 2 3 2  
   Stage 3 0 0  
   Stage 4 0 0 0.20
 Operative procedure (n)
  Suture bridge 54 11  
  Single 4 2 0.77
  Partial repair (n) 3 3 0.032b
  1. Data were evaluated by logistic analysis
  2. ROM range of motion, VAS visual analog scale
  3. aMeasured as percentage of unaffected side
  4. bStatistically significant