Skip to main content

Table 2 Comparison of annual change knee structure between offspring and controls

From: Genetic mechanisms of knee osteoarthritis: a population-based longitudinal study

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
  1. Where errors are shown, results are means ± SD. Numbers in parentheses are also SD.