Table 1 Baseline characteristics of all studies
| Â | Rotterdam Study-I | Oxford Study | SOF Study | Chingford Study | GARP Study | Greek cases | Spanish cases |
|---|---|---|---|---|---|---|---|
N (hip OA cases/controls) | 284/2772 | 1065/727 | 366/1365 | 247/511 | 107/724 | 49/258 | 246/416 |
N (knee OA cases/controls) | 665/2075 | 361/727 | NA | 302/506 | 148/724 | 258/258 | 249/416 |
N (hand OA cases/controls) | 874/2184 | NA | NA | 99/559 | 244/724 | NA | 214/416 |
OA definition | ROA | COA | ROA | ROA | CROA | COA | COA |
% women | 58% | 55% | 100% | 100% | 70% | 71% | 76% |
Mean age (range) | 67 (55-94) | 67 (55-89) | 78 (72-98) | 64 (54-100) | 60 (43-79) | 64 (18-90) | 68 (55-94) |
Mean BMI (range) | 26 (15-59) | NA | 27 (15-56) | 27 (17-50) | 27 (19-46) | 28 (17-64) | NA |