Table 2.

Clinical and radiographic data of the ten patients with osteoarthritis

N	Reconstructive surgery				MP			CE angle
	Type	Age	CE angle		8–10	15–20	F-up	8–10	15–20	F-up
			Pre	Post
1	FO	21	24	27	19	15	19	20	27	22
2					18	28	32	24	19	15
3	Shelf	7	8	16	24	46	41	16	2	0
4	Salter	11	11	11	34	44	*	9	3	*
5					30	36	41	12	15	8
6	FO	11	12	13	30	38	45	12	8	−1
7	Shelf	6	7	24	9	20	22	24	23	19
8	Shelf + FO	5	3	12
	Shelf + FO	13	0	37	32	8	21	12	28	22
9	Shelf	7	7	32	12	27	27	32	17	16
10	FO	16	25	25	28	24	28	16	25	16

N, patient number; MP, migration percentage (%); CE angle, centre-edge angle (°); 8–10, age 8–10 years; 15–20, age 15–20 years; F-up, final follow-up; pre, preoperative; post, 1 year postoperative; FO, varus femoral osteotomy; Shelf, acetabular shelf operation; Salter, Salter pelvic osteotomy; * (asterisk), preoperative radiograph prior to total hip replacement (THR) not available