Table 1 Outline of the randomisation strata
| Â | Hip radiograph | Knee and hand radiographs | Type |
|---|---|---|---|
Group 1 | K-L score < 2 | K-L score < 2 for hands and knees | mild + localised |
Group 2 | K-L score < 2 | K-L score ≥ 2 for hands and/or knees | mild + generalised |
Group 3 | K-L score ≥ 2 | K-L score < 2 for hands and knees | moderate/severe + localised |
Group 4 | K-L score ≥ 2 | K-L score ≥ 2 for hands and/or knees | moderate/severe + generalised |