Effective nanoindentation modulus, Eind, of condyle cartilage after surgery. a,b) Modulus, Eind, of a) medial condyle cartilage at 3 days to 12 weeks after surgery, and b) lateral condyle cartilage at 1 to 12 weeks after surgery In panels a and b, each error bar represents 95% CI of the average Eind from each condyle under the same surgery type and time point.