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Table 1 Domain-expert rules to combine entity labels into a single diagnostic label for each scan report

From: Developing automated methods for disease subtyping in UK Biobank: an exemplar study on stroke

Diagnostic labels

Inclusion reasons

Exclusion reasons

ICH

Presence of entity label: (a) intracerebral haemorrhage

Presence of ≥ 1 entity labels: (a) metastatic tumour or tumour; (b) contusion; (c) time recent and ischaemic stroke; (d) transformation; (e) subarachnoid haemorrhage + aneurysm (f) subdural haematoma

SAH

Presence of entity label: (a) subarachnoid haemorrhage

Presence of ≥ 1 entity labels: (a) metastatic tumour or tumour; (b) contusion; (c) transformation; (d) intracerebral haemorrhage if no mention of aneurysm; (e) subdural haematoma

IS

Presence of entity labels: (a) time recent and (b) ischaemic stroke

 
  1. British English spelling was used for entity labels in the original study. ICH, primary intracerebral hemorrhage; SAH, primary subarachnoid hemorrhage, IS, primary ischemic stroke