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Table 1 Mean kappa-values and ninety-five percent confidence intervals for inter-observer agreement between five observers

From: Surgeons agree more on treatment recommendations than on classification of proximal humeral fractures

  Neer classification Treatment recommendations Adequacy of images
First round 0.33 (0.29-0.38) 0.48 (0.43-0.54) 0.29 (0.22-0.38)
   0.591 (0.52-0.66)  
   0.382 (0.31-0.46)  
   0.423 (0.35-0.49)  
Second round4 0.36 (0.31-0.42) 0.52 (0.45-0.58) 0.24 (0.18-0.31)
   0.551 (0.48-0.63)  
   0.532 (0.44-0.61)  
   0.423 (0.34-0.49)  
  1. 1 Non-surgical treatment.
  2. 2 Locking plate osteosynthesis.
  3. 3 Hemiarthroplasty.
  4. 4 Patients age known to observers.