From: Association of a BMP5 microsatellite with knee osteoarthritis: case-control study
 |  | 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 |