Table 2.

pre- and post-operative measurements

		Patient 1	Patient 2	Patient 3	Patient4
Limb length increase		10 mm	10 mm	7 mm	12 mm
Center edge	pre-operative	0	12	11	50
	post-operative	20	45	45	40
Acetabular index	pre-operative	35	30	45	40
	post-operative	20	5	10	10
Harris Hip Score	pre-operative	74	68	81	74
	post-operative	89	83	93	90