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. 2018 Sep 1;30(3):227–233. doi: 10.5792/ksrr.18.022

Fig. 3.

Fig. 3

Tibial zones for the Knee Society total knee arthroplasty roentgenographic evaluation scoring system calculation based on Ewald14) (1989) and Chalmers et al.15) (2017). The sum of the radiolucent lines for each zone was calculated on the anteroposterior (A) and lateral (B) radiographs.