The VAS pain assessment result at 12 months during the followup period in the torsional malalignment group was 1.79 and 1.75 inthe control group, and these Figures do not show a statisticallysignificant difference (p = 0.920). The time of initiation of thepostoperative ambulation likewise did not show a statisticallysignificant difference between the groups. As for the Koval score,23 (82.1%) of the 28 subjects in the malalignment group recoveredto the preoperative level, and 61 (75.3%) of the 81 subjects in the