Table 1.

Allele counts and frequency of the D6S1276 BMP5 microsatellite in patients with knee osteoarthritis (OA) and in controls from the three sample collections

	Controls								Patients with knee OA
Allele	Spain		Greece		UK		Total		Spain		Greece		UK		Total
	Count	%	Count	%	Count	%	Count	%	Count	%	Count	%	Count	%	Count	%
5	1	0.1					1	0.0					3	0.4	3	0.2
6	1	0.1	2	0.3	2	0.2	5	0.2	1	0.2	4	0.6			5	0.3
7	39	4.4	23	3.4	58	4.4	120	4.2	18	3.6	12	1.7	35	4.9	65	3.4
8	160	18.2	126	18.9	256	19.6	542	19.0	116	23.2	139	20.1	158	22.3	413	21.7
9	188	21.4	147	22.0	282	21.6	617	21.6	97	19.4	139	20.1	104	14.7	340	17.9
10	362	41.2	264	39.5	525	40.3	1151	40.4	210	42.0	292	42.2	303	42.8	805	42.4
11	115	13.1	98	14.7	168	12.9	381	13.4	53	10.6	102	14.7	101	14.3	256	13.5
12	11	1.3	6	0.9	12	0.9	29	1.0	5	1.0	4	0.6	4	0.6	13	0.7
13			2	0.3	1	0.1	3	0.1
14	1	0.1					1	0.0
Total	878		668		1,304		2,850		500		692		708		1,900