Intraarticular location predicts cartilage filling and subchondral bone changes in a chondral defect.

These findings were supported by paired Student t-tests comparing patellar defects with condylar defects, the difference being statistically highly significant at 12 and 24 weeks, whereas the significance of the difference was borderline at 36 weeks—and not significant if Bonferroni's correction was used.

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