From: Association of a BMP5 microsatellite with knee osteoarthritis: case-control study
 | Controls |  |  |  |  |  |  | Patients with knee OA |  |  |  |  |  |  | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Allele | Spain | Â | Greece | Â | UK | Â | Total | Â | Spain | Â | Greece | Â | UK | Â | Total | Â |
 | Count | % | Count | % | Count | % | Count | % | Count | % | Count | % | Count | % | Count | % |
5 | 1 | 0.1 | Â | Â | Â | Â | 1 | 0.0 | Â | Â | Â | Â | 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 | Â | Â | 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 | Â | Â | 2 | 0.3 | 1 | 0.1 | 3 | 0.1 | Â | Â | Â | Â | Â | Â | Â | Â |
14 | 1 | 0.1 | Â | Â | Â | Â | 1 | 0.0 | Â | Â | Â | Â | Â | Â | Â | Â |
Total | 878 | Â | 668 | Â | 1,304 | Â | 2,850 | Â | 500 | Â | 692 | Â | 708 | Â | 1,900 | Â |