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Table 5 Kappa coefficient summary values for intra-observer agreement between AO / ASIF and Neer classification by 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

X-ray

0.619

0.337

−0.033

1.000

0.321

0.726

1.000

30

Tomography

0.558

0.376

−0.125

1.000

0.211

0.571

1.000

30

3D models

0.658

0.301

−0.050

1.000

0.437

0.736

0.868

30

Holography

0.671

0.295

0.087

1.000

0.490

0.675

1.000

30

  1. Effects of diagnostic method: F3,87 = 2.41 (p = 0.073)
  2. Kolmogorov-Smirnov test for normality (p = 0.348)