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Table 1 International Classification of Headache Disorders (ICHD) diagnostic criteria for SIH [60]

From: The status of diagnosis and treatment to intracranial hypotension, including SIH

A. Any headache fulfilling Criterion B
B. Headache has developed in temporal relation to low CSF pressure or CSF leakage, or has led to its discovery
C. Low CSF pressure (<6 cm H2O) and/OR evidence of CSF leakage on imaging
D. Not better accounted for by another ICHD-3 Diagnosis