Fig. 2

Patient Identification Flowchart^a. ^aAssociated with a migraine diagnosis ≤14 days post the first migraine diagnosis between 01-May-2018 and 30-Sep-2019.^b OnabotulinumtoxinA use requires a migraine diagnosis at most 14 days before claim and days-of-supply ≥28 days. CGRP, calcitonin gene-related peptide