Table 2 Comparison of cartilage thickness, denuded cartilage % (expressed as percentage cartilage coverage of cartilage bone interface area) and cartilage volume between no-knee OA and premorbid knee OA samples
No-knee OA (nā€Š=ā€Š720)Premorbid knee OA (nā€Š=ā€Š55)
PlateMean cartilage thickness (mm) (SD)Mean cartilage thickness (mm) (SD)p Value
Lateral tibia2.08 (0.30)2.04 (0.33)0.32
Medial tibia1.73 (0.23)1.76 (0.25)0.36
Central medial tibia2.32 (0.39)2.37 (0.47)0.38
Central lateral femur1.72 (0.27)1.75 (0.35)0.58
Central medial femur1.81 (0.31)1.81 (0.37)0.94
Central part of central medial femur2.24 (0.46)2.23 (0.54)0.89
Patella2.10 (0.43)1.96 (0.48)0.02
% Cartilage coverage% Cartilage coveragep Value
Lateral tibia99.198.00.43
Medial tibia98.596.00.17
Central lateral femur99.2100.00.56
Central medial femur99.497.60.20
Patella87.780.40.13
Mean cartilage volume (mm3) (SD)Mean cartilage volume (mm3) (SD)p Value
Lateral tibia2198.83 (619.47)2228.80 (721.75)0.32
Medial tibia2077.19 (566.02)2182.30 (652.33)0.36
Central lateral femur1099.59 (343.19)1151.58 (418.75)0.38
Central medial femur1057.58 (340.05)1106.01 (391.40)0.58
Patella2780.40 (861.36)2618.47 (965.31)0.94