Shelf Acetabuloplasty in the Treatment of Severe Legg-Calvé-Perthes Disease: Good Outcomes at Midterm Follow-Up

Table 1

Selected epidemiological and radiographic data on 20 patients treated with shelf procedure for Perthes disease.

No.	Age; (years)	Gender	Side	Before operation					At the final follow-up
				Reimer’s index	Wiberg angle	Reinberg	Catterall	Herring	Reimer’s index	Wiberg angle	Stulberg
1	9	♂	Right	37%	17°	IV	III	B	5%	40°	II
2	10	♂	Right	32%	15°	III	III	B/C	0%	34°	I
3	6	♂	Right	29%	18°	III	III	B	0%	40°	I
4	10	♂	Left	32%	16°	IV	IV	C	4%	38°	II
5	9	♂	Right	30%	17°	III	III	B/C	7%	40°	III
6	9	♂	Left	25%	19°	III	III	B	4%	40°	II
7	12	♂	Left	31%	18°	III	III	B/C	9%	33°	III
8	11	♂	Right	41%	14°	III	III	B	2%	34°	III
9	5	♂	Left	27%	19°	IV	IV	C	5%	34°	II
10	12	♂	Left	36%	16°	IV	IV	C	23%	25°	III
11	7	♂	Left	37%	17°	II	III	B/C	21%	26°	III
12	7	♀	Right	23%	19°	III	III	B	2%	36°	II
13	13	♂	Right	30%	18°	III	IV	C	2%	36°	II
14	6	♂	Left	35%	18°	II	II	B	11%	32°	II
15	14	♂	Right	43%	14°	IV	III	B	19%	28°	II
16	9	♂	Left	33%	18°	III	III	B/C	9%	33°	II
17	14	♀	Right	31%	17°	IV	III	B/C	7%	31°	II
18	7	♂	Left	30%	19°	II	II	B	13%	33°	II
19	10	♀	Right	35%	16°	III	III	B	20%	33°	II
20	12	♂	Right	26%	19°	III	III	B/C	16%	23°	IV
21	7	♂	Left	30%	18°	II	III	B	18%	26°	II
22	8	♂	Left	26%	19°	III	IV	C	14%	23°	IV
23	10	♂	Left	35%	17°	III	IV	C	21%	25°	III