title: Observed/expected ratio analysis for hospital surgical efficiency instead of data envelopment analysis.
authors.affiliation: Division of Management Consulting, Department of Anesthesia, University of Iowa, Iowa City, IA, USA.
authors.forename: Franklin
authors.initials: F
authors.lastname: Dexter
authors.forename: Liam
authors.initials: L
authors.lastname: O'Neill
mesh_terms: D017598:Efficiency, Organizational; D009873:Operating Rooms / Q000458:organization & administration* / Q000592:standards*; D019984:Quality Indicators, Health Care