The incision length was 15.0 ~ 23.0 ( average length 20.0 ) cm , average blood loss was 513.1 ( 210.0 ~ 1350.0 ) mL , average drainage was 152.3 ( 70.0 ~ 520.0 ) mL , average blood transfusion was 142.2 ( 0 ~ 800.0 ) mL , average operation time was 84.0 ( 71.0 ~ 115.0 ) min , and postoperative radiographic acetabular cup abduction angle was 42.3 ( 37.0 ~ 54.0 ) in Group B.