Figure 3. Predictive Model Scores .

A, Scores for individuals in the derivation cohort: patients with spontaneous intracranial hypotension (SIH) who are leak positive, healthy control participants, and patients with orthostatic headache without a cerebrospinal fluid leak. B, Scores for individuals in the internal validation cohort including patients with spontaneous intracranial hypotension and a myelographically confirmed leak and patients presenting with orthostatic headache without a cerebrospinal fluid leak.