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Table 3 Summary of kappa coefficient values for agreement between AO / ASIF and Neer classifications by period of experience, according to expert diagnostic method (Group 1)

From: Inter-observer reliability of alternative diagnostic methods for proximal humerus fractures: a comparison between attending surgeons and orthopedic residents in training

Diagnostic Method Means Standard Deviation Minimum Maximum 1st. Quartile Median 3rd. Quartile N p
X-ray 0.677 0.270 0.167 1.000 0.531 0.683 0.953 20 0.930
 0 to 5 years 0.686 0.274 0.182 1.000 0.488 0.683 1.000 14  
 5 to 10 years 0.583 0.589 0.167 1.000 2  
 More than 10 years 0.694 0.116 0.571 0.800 0.583 0.701 0.796 4  
Tomography 0.531 0.316 -0.108 1.000 0.280 0.586 0.778 20 0.586
 0 to 5 years 0.499 0.348 −0.108 1.000 0.183 0.563 0.813 14  
 5 to 10 years 0.786 0.303 0.571 1.000 2  
 More than 10 years 0.515 0.174 0.333 0.673 0.350 0.527 0.668 4  
3D models 0.730 0.265 0.182 1.000 0.525 0.795 1.000 20 0.238
 0 to 5 years 0.706 0.268 0.182 1.000 0.570 0.715 1.000 14  
 5 to 10 years 1.000 0.000 1.000 1.000 2  
 More than 10 years 0.680 0.279 0.400 1.000 0.425 0.660 0.955 4  
Holography 0.654 0.278 0.069 1.000 0.489 0.666 0.831 20 0.828
 0 to 5 years 0.631 0.309 0.069 1.000 0.350 0.666 0.875 14  
 5 to 10 years 0.643 0.222 0.486 0.800 2  
 More than 10 years 0.740 0.217 0.500 1.000 0.535 0.730 0.955 4  
  1. p values from Kruskal-Wallis test