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Fig. 4 | Journal of Orthopaedic Surgery and Research

Fig. 4

From: A direct referencing method of the tibial plateau for the posterior tibial slope in medial unicompartmental knee arthroplasty

Fig. 4

Percentage of the knee classified according to the categories in the total (n = 73), Grade 2 (n = 13), Grade 3 (n = 46) and Grade 4 (n = 14). A height of marginal osteophytes, which is classified into three categories (N: none, L: low, H: high). Only one case in Grade 4 had a “high” posterior osteophyte among patients undergoing medial UKA in Study I. B Expansion of subchondral bone depression, which was classified into three categories (N: none, M: moderate, S: severe). There were no cases in which the anterior or posterior subchondral depression expanded over the most prominent aspect of the anterior or posterior cortices, respectively

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