Table 2. Total hip arthroplasty conversion rate for each type and stage in Groups I and II.

Stage		Type				Total
		A	B	C1	C2
Group I	1	0/1 (0%)	0/2 (0%)	2/8 (25%)	3/4 (75%)	5/15 (33%)
	2	-	-	2/7 (29%)	2/6 (33%)	4/13 (31%)
	3 (3A+3B)	-	-	0/1 (0%)	2/4 (50%)	2/5 (40%)
Total		0/1 (0%)	0/2 (0%)	4/16 (25%)	7/14 (50%)	11/33 (33%)
Group II	1	0/1 (0%)	0/2 (0%)	0/8 (0%)	1/4 (25%)	1/15 (7%)
	2	-	-	3/7 (43%)	6/6 (100%)	9/13 (69%)
	3 (3A+3B)	-	-	1/1 (100%)	4/4 (100%)	5/5 (100%)
Total		0/1 (0%)	0/2 (0%)	4/16 (25%)	11/14 (79%)	15/33 (45%)