Table 2.

Presence of a radiographic crossover sign using CT-based analysis of acetabular version

	Crossover sign (version value < 0°)
	Number of hips	At 1 o’clock	At 2 o’clock	At 3 o’clock
All hips	409	15%	1%	0.0%
Male	213	19%	0.9%	0.0%
Female	196	11%	2%	0.0%