To compare the extent of cartilage deterioration in knees with prior meniscal resection related to trauma versus knees with resection related to degenerative disease, and to compare cartilage deterioration in knees with meniscal surgery to knees without meniscal surgery, controlling for prior knee trauma.

中文翻译：

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半月板切除术后软骨退行性变与创伤的关系：骨关节炎倡议的数据

比较先前与创伤相关的半月板切除术和与退行性疾病相关切除的膝关节的软骨退化程度，并比较半月板手术与不进行半月板手术的膝盖的软骨退化，以控制先前的膝盖创伤。