Objective To compare and analyze the clinical efficacy of the staged versus the simultaneous bilateral hip joint replacement. Methods From Jan 2011 to Jan 2014,sixty patients ever treated with hip joint replacement in our hospital were selected as the research objects,and were equally divided into the staged group and the simultaneous group by random number table method. The blood loss,operation time,levels of C-reactive protein( CRP) and D-Dimer,postoperative complications and joint function between the tw...