Table 4.

Association of the D6S1276 BMP5 microsatellite with knee osteoarthritis (OA) by sample collection and by gender

		Number		P-values
Collection	Gender	Controls	Knee OA	Multi-allelic trend test	Genotype test
Spain	women	149	200	0.2	0.5
	men	277	43	0.4	0.4
	all	426	243	0.1	0.5
Greece	women	205	275	0.021	0.032
	men	120	63	0.8	0.6
	all	325	338	0.2	0.09
UK	women	312	187	0.028	0.2
	men	325	157	0.09	0.3
	all	637	344	0.0059	0.1