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Table 5 Distribution of radiolucencies according to the determined zones (Fig. 2)

From: Metal backed fixed-bearing unicondylar knee arthroplasties using minimal invasive surgery: a promising outcome analysis of 132 cases

   Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Zone 6
Femoral (lateral view) non-progressive 1 (1.9 %) 0 (0.0 %) 8 (15.1 %) 0 (0.0 %) 0 (0.0 %) 9 (17.0 %)
progressive 0 (0.0 %) 0 (0.0 %) 3 (15.8 %) 0 (0.0 %) 0 (0.0 %) 0 (0.0 %)
Tibial (lateral view) non-progressive 12 (22.6 %) 0 (0.0 %) 1 (1.9 %) 0 (0.0 %) 1 (1.9 %) 11 (20.8 %)
progressive 2 (10.5 %) 1 (5.3 %) 1 (5.3 %) 1 (5.3 %) 2 (10.5 %) 3 (15.8 %)
Tibial (anterior-posterior view) non-progressive 8 (15.1 %) 1 (1.9 %) 0 (0.0 %) 0 (0.0 %) 1 (1.9 %)  
progressive 2 (10.5 %) 1 (5.3 %) 1 (5.3 %) 1 (5.3 %) 1 (5.3 %)