The Recent Downturn in Utilization of CT: The Start of a New Trend?

After years of rapid growth, CT use in the Medicare population declined by 1.7% in 2010. The proportional decline was even greater among inpatients, hospital outpatient departments, and offices. The only place of service for which growth continued was emergency departments. Without the effect of emergency departments, the decline in 2010 would have been 4.7%. This downturn should help alleviate previous concerns about overly rapid CT growth.