Table 1.

Study samples

	ABG-I femoral stem	Unique femoral stem
No. of patients	41	46
No. of females / males	28 / 13	28 / 18
Primary ostearthrtitis	49%	63%
Hip dysplasia	44%	24%
Sequelae: Perthes' disease	2%	7%
Posttraumatic	2%	4%
Avascular femoral head necrosis	2%	2%