A weak trend also shows thinner cartilage in the dorsal ulnar (0.41 ± 0.12 mm) region of the trapezium in advanced-stage OA TMC joints compared to the younger (0.66 ± 0.09 mm, P = 0.088) and elder (0.66 ± 0.08 mm, P = 0.086) healthy/early-stage OA TMC joints, as well as in the volar radial (0.47 ± 0.05 mm) region of the trapezium in advanced-stage OA specimens when compared to the elder healthy/early-stage OA group (0.86 ± 0.08 mm, P = 0.083) (Fig. 3 ).
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A Regional Mapping of Articular Cartilage Integrity and Biphasic Properties in Healthy and Osteoarthritic Trapeziometacarpal Joints.
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