title: Authors' reply to Gupta.
authors: Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02120, USA epatorno@partners.org.
authors: Elisabetta
authors: E
authors: Patorno
authors: Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02120, USA Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA.
authors: Brian T
authors: BT
authors: Bateman
mesh_terms: D000765:Anesthesia, Conduction / Q000401:mortality*; D000768:Anesthesia, General / Q000401:mortality*; D005260:Female; D006620:Hip Fractures / Q000601:surgery*; D017052:Hospital Mortality; D006801:Humans; D008297:Male