Fig. 4
From: Consistency between headache diagnoses and ICHD-3 criteria across different levels of care
Sankey diagram visualizing the agreement of headache diagnoses among the PSLC and ICHD-3 diagnostic criteria. This Sankey diagram visualizes the diagnostic agreement of diagnoses given at the primary and secondary level of care (PSLC) accordingly to the third edition of The International Classification of Headache Disorders (ICHD-3)