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Table 2 Summary of kappa coefficients for intra-observers agreement between AO / ASIF and Neer classifications by 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
X-ray 0.677 0.270 0.167 1.000 0.531 0.683 0.953 20
Tomo 0.531b 0.316 −0.108 1.000 0.280 0.586 0.778 20
3D 0.730a 0.265 0.182 1.000 0.525 0.795 1.000 20
Holographic 0.654 0.278 0.069 1.000 0.489 0.666 0.831 20
  1. Effects of diagnostic method: F3,57 = 3.67 (p = 0.017)
  2. Kolmogorov-Smirnov test for normality (p = 0.638)
  3. (a) and (b) show different means according to multiple comparisons using Bonferroni adjustments