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. 2022 Aug 18;8(1):26–33. doi: 10.1136/svn-2022-001653

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© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Participant selection methodology. The above schematic depicts the total number of patients included in the study (n=1791). Of these, 1289 (72%) received an MRI scan of the brain. From this cohort, patients were diagnosed with either probable CAA, possible CAA (isolated lobar ICH) or HTN-cSVD. Lastly, the patients with isolated lobar ICH were further stratified into patients with HTN-cSVD pattern, CAA pattern, mixed NHIM or no NHIM. CAA, cerebral amyloid angiopathy; HTN-cSVD, hyperintensive cerebral amyloid angiopathy; ICH, intracerebral haemorrhage; NHIM, non-haemorrhagic imaging markers.