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Table 1 Interobserver reliability of the radiographic characteristics

From: Nomogram for predicting reoperation following internal fixation of nondisplaced femoral neck fractures in elderly patients

Characteristics ICC or κ 95% CI P value
Pauwel’s classification 0.915 0.870 to 0.960 < 0.001
Posterior tilt angle 0.885 0.854 to 0.909 < 0.001
  1. Abbreviations: ICC intraclass correlation coefficient, κ kappa coefficient, CI confidence interval