Surgical Opioid Prescribing and Use (IMAGE) Michigan Medicine - University of Michigan Caption A representation of the proportion of prescribed opioid pain medication that surgical patients actually took, in a statewide study in Michigan. Prescription size was the main predictor of how many opioid pills patients took after surgery. Credit University of Michigan Usage Restrictions Credit University of Michigan License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.