Number of knees with articular cartilage fibrillation‡
| Young rabbits | Old rabbits | |||||||
|---|---|---|---|---|---|---|---|---|
| Group | Four*days (n=8)† | Two months (n=9) | One year (n=9) | Total (n=26) | Four days (n=6) | Two months (n=7) | One year (n=7) | Total (n=20) |
| *Time after [166Ho]FHMA injections; †number of animals; ‡the data are too few for statistical analysis. | ||||||||
| Synovectomy | 2 | 3 | 3 | 8‡ | 1 | 2 | 0 | 3 |
| Control | 2 | 0 | 2 | 4 | 0 | 4 | 0 | 4 |