title: USRDS. SMRs, crude mortality differ little at most U.S. centers.
mesh_terms: D006801:Humans; D007676:Kidney Failure, Chronic / Q000453:epidemiology / Q000628:therapy*; D009017:Morbidity; D017582:Renal Replacement Therapy / Q000401:mortality*; D014481:United States / Q000453:epidemiology