| 12 Monthsa | 24 Monthsa | ||
---|---|---|---|---|
 | Absolute (mm3) | (%) | Absolute (mm3) | (%) |
Global cartilage | -376 ± 311 | -3.7 ± 3.0 | -597 ± 459 | -5.7 ± 4.4 |
Compartments | Â | Â | Â | Â |
   Medial | -256 ± 211 | -5.5 ± 4.3 | -405 ± 320 | -8.3 ± 6.5 |
   Lateral | -119 ± 160 | -2.1 ± 2.9 | -191 ± 208 | -3.5 ± 3.8 |
   Femoral | -227 ± 239 | -3.1 ± 3.2 | -369 ± 319 | -5.0 ± 4.3 |
   Tibial | -148 ± 121 | -4.9 ± 4.0 | -227 ± 175 | -7.6 ± 5.8 |
Medial | Â | Â | Â | Â |
   Femoral | -126 ± 134 | -5.8 ± 6.2 | -201 ± 178 | -9.1 ± 7.5 |
   Tibial | -80 ± 81 | -6.3 ± 5.6 | -125 ± 117 | -9.3 ± 7.5 |