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Hospital variation in use of early trans-thoracic echocardiography (TTE) for the evaluation of hemodynamically stable acute pulmonary embolism. Early TTE was defined as occurring within 4 days of hospital admission. Point estimates represent the risk-adjusted rates of TTE use for individual hospitals, with error bars denoting 95% confidence intervals. *Risk-adjusted rate of early TTE use is based on patient demographic factors, comorbidities, and hospital characteristics.
