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. 2026 Mar 12;2(1):e000071. doi: 10.1136/bmjdh-2026-000071

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© Author(s) (or their employer(s)) 2026. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ Group.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See https://creativecommons.org/licenses/by-nc/4.0/.

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Diagnostic performance of the algorithm versus ground truth depicted as AUC for different pathological subgroups, including ICH, EDH, SAH, SDH, IPH, IVH, infarct, ME, MLS and fracture. Sens and Spec are given as per the default threshold settings for the algorithm for each pathological subgroup. AUC, area under the receiver operator curve; EDH, extradural haemorrhage; ICH, intracranial haemorrhage; IPH, intraparenchymal haemorrhage; IVH, intraventricular haemorrhage; ME, mass effect; MLS, midline shift; SAH, subarachnoid haemorrhage; SDH, subdural haemorrhage; Sens, sensitivity; Spec, specificity.