title: The authors reply.
authors.forename: Matthew K
authors.initials: MK
authors.lastname: Abramowitz
authors.forename: Thomas H
authors.initials: TH
authors.lastname: Hostetter
authors.forename: Michal L
authors.initials: ML
authors.lastname: Melamed
mesh_terms: D000136:Acid-Base Equilibrium; D005260:Female; D006801:Humans; D007668:Kidney / Q000503:physiopathology*; D008297:Male; D051436:Renal Insufficiency, Chronic / Q000097:blood* / Q000401:mortality*