Table 2.
Comparison of annual change knee structure between offspring and controls
| Parameter | Annual change | P | |
| Offspring | Controls | ||
| Medial tibial cartilage volume (mm3) | -74 ± 88 | -51 ± 103 | 0.027 |
| Lateral tibial cartilage volume (mm3) | -52 ± 88 | -35 ± 98 | 0.115 |
| Patellar cartilage volume (mm3) | -167 ± 137 | -138 ± 153 | 0.059 |
| Total cartilage volume (mm3) | -292 ± 246 | -225 ± 284 | 0.023 |
| Medial tibial cartilage volume (%) | -3.1 (3.6) | -2.0 (4.5) | 0.019 |
| Lateral tibial cartilage volume (%) | -1.9 (3.1) | -1.1 (3.7) | 0.045 |
| Patellar cartilage volume (%) | -4.7 (3.7) | -3.7 (3.8) | 0.019 |
| Total cartilage volume (%) | -3.4 (2.7) | -2.5 (3.1) | 0.009 |
| Medial cartilage defect score | 0.15 ± 0.70 | -0.01 ± 0.64 | 0.031 |
| Lateral cartilage defect score | 0.02 ± 0.65 | 0.02 ± 0.76 | 0.937 |
| Patellar cartilage defect score | 0.25 ± 0.67 | 0.16 ± 0.64 | 0.213 |
| Total cartilage defect score | 0.42 ± 1.42 | 0.16 ± 1.50 | 0.100 |
| Medial tibial bone area (mm2) | 10 ± 38 | 8 ± 30 | 0.607 |
| Lateral tibial bone area (mm2) | 0.0 ± 27 | -0.5 ± 43 | 0.905 |
| Medial tibial bone area (%) | 0.6 (2.0) | 0.4 (1.7) | 0.411 |
| Lateral tibial bone area (%) | 0.1 (3.6) | -0.0 (2.3) | 0.682 |
Where errors are shown, results are means ± SD. Numbers in parentheses are also SD.