Replication of association of the D-repeat polymorphism in asporin with osteoarthristis

Table 1 Association studies of asporin and osteoarthritis

	Case
Study	Knee	Hip	Total	Control	Association	Inclusion criteria
Japan	530	593	1123	608	Knee, hip OA	Symptomatic OA with radiograph
UK	278	904	1182	748	Male hip OA	TKR/THR
Greece	155	(-)	155	190	Decrease of D13	TKR
Spain	188	303	491	294	None	TKR/THR

OA, osteoarthritis; THR, total hip replacement; TKR, total knee replacement; –, not studied.

ISSN: 1478-6362