Research Article

Evaluating the Relationship between Productivity and Quality in Emergency Departments

Table 3

Description of explanatory variables in econometric model.

VariablesDefinition

EKG (X1)Number of electrocardiograms (per 100 patients) conducted in the ED in 2012.
XRAY (X2)Number of X-ray procedures (per 100 patients) conducted in the ED in 2012.
CT (X3)Number of computerized axial tomography (CT) scans (per 100 patients) conducted in ED in 2012.
LOS (X4)Total ED patient length of stay in 2012.
HOSP (X5)Indicator for hospital type in 2012; academic = 1 and nonacademic = 0.
TRAUMA (X6)Indicator for whether or not hospital is a Trauma Center in 2012, trauma = 1 or nontrauma = 0.