Fig. (6) Scatter plots for the discrepancy between the intra- and postoperative measurements. A discrepancy of less than 5° was achieved in 33 hips (56%) and 33 hips (56%) in the G-guide and the navigation measurement groups respectively, while a discrepancy of less than 10° was attained in 51 hips (86%) and 53 hips (90%) respectively.