Table 2. Intra- and inter-observer reliabilities of measurements.

Measurements	Intra-observer reliability		Inter-observer reliability
	ICC	95% CI	ICC	95% CI
MP	0.989	0.965-0.996	0.977	0.959-0.987
NSA	0.969	0.940-0.984	0.900	0.761-0.954
AI	0.937	0.821-0.971	0.732	0.589-0.841
PO	0.912	0.835-0.954	0.716	0.568-0.831

ICC, intraclass correlation coefficient; CI, confidence interval; MP, migration percentage; NSA, neck shaft angle; AI, acetabular index; PO, pelvic obliquity.