Fig. 2From: Mid-term prognosis of the stromal vascular fraction for knee osteoarthritis: a minimum 5-year follow-up studyThree levels of bone marrow lesions in the red circle position. 0, no BMLs; 1, cover one slice, 2; cover two consecutive slices; 3, cover three or more consecutive slices. A score of 3 was assigned if more than one lesion was present at the same siteBack to article page