Table 2.

Studies on THA pain control

Study	Level of evidence	Number of patients	Assessment points	Conclusion
Talbot et al. [60] (2002)	II	499	Studied the dislocation rate after anterolateral approach THA with no hip restrictions or special devices	Low dislocation rate without the postoperative hip restrictions after anterolateral approach THA
Peak et al. [45] (2005)	I	265	Compared the dislocation rate with or without the postoperative hip restrictions after anterolateral approach THA	Unrestricted group had faster return to normal activities and better satisfaction with no dislocations