Higher hospital volume and specialisation.
Stephen
S
Lyman
D019644:Arthroplasty, Replacement, Hip / Q000592:standards*; D002983:Clinical Competence / Q000592:standards*; D006276:Health Facility Size; D006801:Humans; D009985:Orthopedics / Q000706:statistics & numerical data*; D017063:Outcome Assessment, Health Care; D013038:Specialization / Q000706:statistics & numerical data*