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Table 4 Overall kappa coefficient by diagnostic method and classification 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

  RX Tomography 3D models Augmented Reality/Holography
Kappa p Kappa p Kappa p Kappa p
AO 0.369 <0.001 0.210 <0.001 0.455 <0.001 0.263 <0.001
 Aa 0.470 < 0.001 0.276 < 0.001 0.613 < 0.001 0.366 < 0.001
 Ba 0.206 < 0.001 0.021 0.098 0.139 < 0.001 0.029 0,037
 Ca 0.438 < 0.001 0.335 < 0.001 0.541 < 0.001 0.341 < 0.001
Neer 0.268 <0.001 0.158 <0.001 0.397 <0.001 0.251 <0.001
 1 part 0.013 0.216 0.003 0.419 0.059 < 0.001 −0.005 0.618
 2 parts 0.460 < 0.001 0.230 < 0.001 0.647 < 0.001 0.432 < 0.001
 3 parts 0.066 < 0.001 0.015 0.180 0.174 < 0.001 0.076 < 0.001
 4 parts 0.312 < 0.001 0.257 < 0.001 0.379 < 0.001 0.250 < 0.001
  1. AO Arbeit Gemeinschaft für Osteosynthesefragen classification, Neer Charles Neer classification
  2. a Groups A, B and C adopted by the AO / ASIF, with correspondence to 2, 3 and 4 parts respectively (Kellam and Meinberg, 2018) [8]
  3. N = 30 resident physicians