Fig. 4From: Estimation of the proper gap ratio using preoperative radiography for posterior tibial slope maintenance in biplanar open wedge high tibial osteotomyThe difference in ratio between the hinge to tibial tuberosity length (HTL): total osteotomy length (TOL), anterior gap (AG): posterior gap (PG), and the amount of posterior tibial slope (PTS) changes are analyzed using linear regression analysisBack to article page