Table 1.

Interobserver reliability of the radiographic characteristics.

Characteristics	ICC or k	95% CI	p value
Pauwels classification, κ	0.798	0.608 to 0.988	<0.001∗
Garden classification, κ	0.837	0.682 to 0.992	<0.001∗
Femora neck shortening, ICC	0.916	0.868 to 0.947	<0.001∗
Femoral neck varus, ICC	0.889	0.826 to 0.930	<0.001∗

Abbreviations: CI: confidence interval; ICC: intraclass correlation coefficient; κ: kappa coefficient. ^∗Statistically significant difference.