References

1. Buirs LD, Van Beers LW, Scholtes VA, et al. Predictors of physical functioning after total hip arthroplasty: a systematic review. BMJ Open 2016; 6(9): e010725.
2. Lungu E, Maftoon S, Vendittoli PA, Desmeules F. A systematic review of preoperative determinants of patient-reported pain and physical function up to 2 years following primary unilateral total hip arthroplasty. Orthop Traumatol Surg Res 2016; 102(3): 397-403.