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Table 6 Summary of kappa coefficients for agreement between AO / ASIF and Neer classification by time of experience, according to diagnostic method among residents (Group 2)

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 0.619 0.337 -0.033 1.000 0.321 0.726 1.000 30 0.689
 First year 0.636 0.419 −0.033 1.000 0.218 0.824 1.000 9  
 Second year 0.544 0.321 0.036 1.000 0.313 0.495 0.868 10  
 Third year 0.672 0.295 0.224 1.000 0.321 0.813 0.833 11  
Tomography 0.558 0.376 -0.125 1.000 0.211 0.571 1.000 30 0.535
 First year 0.608 0.396 −0.050 1.000 0.220 0.673 1.000 9  
 Second year 0.446 0.380 −0.125 1.000 0.156 0.363 0.827 10  
 Third year 0.618 0.369 0.045 1.000 0.237 0.633 1.000 11  
3D models 0.658 0.301 -0.050 1.000 0.437 0.736 0.868 30 0.861
 First year 0.613 0.361 0.060 1.000 0.227 0.813 0.912 9  
 Second year 0.690 0.301 −0.050 1.000 0.604 0.736 0.868 10  
 Third year 0.666 0.273 0.321 1.000 0.400 0.640 1.000 11  
Holography 0.671 0.295 0.087 1.000 0.490 0.675 1.000 30 0.836
 First year 0.695 0.369 0.087 1.000 0.333 0.833 1.000 9  
 Second year 0.624 0.288 0.167 1.000 0.408 0.628 0.873 10  
 Third year 0.695 0.255 0.237 1.000 0.500 0.660 1.000 11  
  1. p values from ANOVA