Minimally important differences and risk levels for the Composite Asthma Severity Index

Rebecca Z. Krouse, Christine A. Sorkness, Jeremy J. Wildfire, Agustin Calatroni, Rebecca Gruchalla, Gurjit K Khurana Hershey, Meyer Kattan, Andrew H. Liu, Melanie Makhija, Stephen J. Teach, Joseph B. West, Robert A. Wood, Edward M. Zoratti, Peter J. Gergen