title: Caution should be exercised when using the standardized infection ratio.
authors.forename: Miguel
authors.initials: M
authors.lastname: Delgado-Rodríguez
authors.forename: Javier
authors.initials: J
authors.lastname: Llorca
mesh_terms: D019985:Benchmarking; D003428:Cross Infection / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D020379:Risk Adjustment / Q000592:standards; D013030:Spain / Q000453:epidemiology; D013530:Surgical Wound Infection / Q000453:epidemiology*