title: Outcome Following Electroconvulsive Therapy: A Comparison of Primary and Secondary Depression.
abstract: In a consecutive series of 117 depressed patients referred for electroconvulsive therapy, the 10 with secondary depression had significantly poorer outcomes according to three independently assessed measures-Hamilton rating scale score at discharge, global rating at discharge, and mean depressive symptom score during a 6-month follow-up.
authors.affiliation: Department of Psychiatry, University of Iowa College of Medicine, Iowa City, Iowa, USA.
authors.forename: William
authors.initials: W
authors.lastname: Coryell
authors.forename: Bruce
authors.initials: B
authors.lastname: Pfohl
authors.forename: Mark
authors.initials: M
authors.lastname: Zimmerman