The mean preoperative knee alignment, as determined from long-standing anteroposterior knee radiographs, revealed 36 knees (58%) in varus, with a mean alignment of 4.9° (range, 2° to 14°); 22 ...
The undersurface of the patella was evaluated using the Outerbridge Rating System [8] and the location of wear (medial or lateral facet or central ridge) was recorded. The Outerbridge Rating ...