Table 5. Intra- and inter-observer reproducibility of each anatomical parameter.

	Intra-Observer		Inter-Observer
	Mean difference	95% LOA	Mean Difference	95% LOA
AOS/POS	−0.01	−0.17 to 0.15	−0.01	−0.16 to 0.13
SOS/IOS	−0.09	−0.21 to 0.03	−0.05	−0.14 to 0.04
AP physeal angle (°)	−0.64	−4.47 to 3.19	−0.11	−2.74 to 2.52
Lateral physeal angle (°)	−0.70	−4.18 to 2.78	−0.23	−2.62 to 2.15
Alpha angle (°)	−0.28	−3.33 to 2.77	−0.27	−2.66 to 2.12
Beta angle (°)	0.15	−3.12 to 3.42	0.14	−1.64 to 1.92
Gamma angle (°)	−0.24	−3.23 to 2.74	0.16	−2.28 to 2.61
Delta angle (°)	−0.09	−3.18 to 3.00	0.15	−2.62 to 2.92
Acetabular anteversion angle (°)	−0.15	−2.17 to 1.88	−0.21	−1.50 to 1.07
Acetabular inclination angle (°)	−0.42	−3.27 to 2.43	−0.09	−2.46 to 2.28
CE angle (°)	−0.17	−3.20 to 2.86	0.02	−2.48 to 2.52
Neck anteversion angle (°)	−0.29	−2.82 to 2.24	−0.07	−1.61 to 1.48