title: Variations in operative rates: what do they mean?
mesh_terms: D002170:Canada; D003258:Consumer Behavior; D003430:Cross-Sectional Studies; D005260:Female; D006301:Health Services Needs and Demand; D006801:Humans; D008297:Male; D013223:Statistics as Topic; D013514:Surgical Procedures, Operative / Q000191:economics / Q000639:trends*; D006113:United Kingdom; D014481:United States