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

Table 1 Interobserver reliability of the radiographic characteristics

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

Abbreviations: ICC intraclass correlation coefficient, κ kappa coefficient, CI confidence interval

ISSN: 1749-799X