Fig. 3
From: Consistency between headache diagnoses and ICHD-3 criteria across different levels of care
Bar chart of diagnostic agreement for headache at PSLC and TLC per ICHD-3 criteria. This grouped bar chart shows the accuracy of headache diagnoses made at the primary and secondary level of care (PSLC) and the tertiary level of care (TLC) against the third edition of The International Classification of Headache Disorders (ICHD-3) criteria for migraine, tension-type headaches (TTH), and cluster headaches (CH). PA = Positive Agreement; PD = Positive Disagreement; NA = Negative Agreement; ND = Negative Disagreement