title: Why do-not-resuscitate orders matter in comparative effectiveness research*.
authors.affiliation: OptiStatim, LLC, Longmeadow, MA.
authors.forename: Brian H
authors.initials: BH
authors.lastname: Nathanson
mesh_terms: D057186:Comparative Effectiveness Research; D005260:Female; D006801:Humans; D007362:Intensive Care Units / Q000706:statistics & numerical data*; D008297:Male; D016414:Resuscitation Orders; D012772:Shock, Septic / Q000401:mortality*