title: How do administrative data compare with a clinical registry for identifying 30-day postoperative complications?
authors.forename: Lillian S
authors.initials: LS
authors.lastname: Kao
authors.forename: Justin B
authors.initials: JB
authors.lastname: Dimick
authors.forename: Geoff A
authors.initials: GA
authors.lastname: Porter
mesh_terms: D000556:Ambulatory Surgical Procedures / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D006278:Medicare / Q000706:statistics & numerical data*; D011183:Postoperative Complications / Q000453:epidemiology*; D012042:Registries / Q000706:statistics & numerical data*