Fig. 1From: Access to primary care and computed tomography use in the emergency departmentComputed Tomography use by year in patients with a primary care provider versus those without. Computer tomography (CT) per 1000 ED visits, 2003 through 2012, stratified by whether or not a patient had a known primary care provider (PCP). Throughout the study period patients without a PCP (No PCP) were more likely to have a CT scanBack to article page