Arthroplasty vs proximal femoral nails for unstable intertrochanteric femoral fractures in elderly patients: A systematic review and meta-analysis

Table 1 Search strategy

Database	Methodology	Results
PubMed	{[(hip fracture) or (intertrochanteric fracture)] or (femoral fracture)} and [(aged or elderly) or senile] and {[(Arthroplasty, Replacement, Hip or Hemiarthroplasty or Prosthesis Implantation) or (total hip replacement)] or (hip replacement)} and (randomized). Filters: From 2005 to 2020	430
EMBASE	('femur intertrochanteric fracture'/exp or 'hip fracture'/exp or 'femoral fracture'/exp) and ('aged'/exp OR 'elderly'/exp) and ('hip replacement'/exp or 'hip hemiarthroplasty'/exp or 'total hip replacement'/exp or 'arthroplasty'/exp) and (‘randomized’) and [(2005-2020)/py]	239
Cochrane Library	[(hip fracture) or (intertrochanteric fracture) or (femoral fracture)] and (aged or elderly or senile) and (Arthroplasty or Hemiarthroplasty or Prosthesis Implantation or hip replacement). Custom year range: 2005 to 2020	554