Best case/worst case for the trauma ICU: Development and pilot testing of a communication tool for older adults with traumatic injury.

Background: "Best Case/Worst Case" (BC/WC) is a communication tool to support shared decision making in older adults with surgical illness. We aimed to adapt and test BC/WC for use with critically ill older adult trauma patients.

Methods: We conducted focus groups with 48 trauma clinicians in Wisconsin, Texas, and Oregon.