title: Finding pure and simple truths with administrative data.
authors.forename: Mary S Vaughan
authors.initials: MS
authors.lastname: Sarrazin
authors.forename: Gary E
authors.initials: GE
authors.lastname: Rosenthal
mesh_terms: D059019:Clinical Coding / Q000706:statistics & numerical data*; D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D011014:Pneumonia / Q000175:diagnosis* / Q000401:mortality*; D012131:Respiratory Insufficiency / Q000175:diagnosis*; D018805:Sepsis / Q000175:diagnosis*