The International journal of neuroscience
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Stroke is a leading cause of mortality and acquired disability; however, there has been no comprehensive comparison of co-morbid risk factors between different stroke subtypes. The aim of this study was to compare risk factors and mortality for subdural haematoma (SDH), subarachnoid haemorrhage (SAH) and ischaemic and haemorrhagic stroke. We compiled a database of all patients admitted with these conditions to a large teaching hospital in Birmingham, United Kingdom during the period 2000-2007 using the International Classification of Disease (ICD) 10th revision codes. ⋯ Epilepsy was positively associated with ischaemic stroke (1.94, 95% CI, 1.36-2.76; p < 0.001), indicating a role for targeted primary prevention in patients with epilepsy. Five-year survival was lower in ischaemic and haemorrhagic strokes (41% and 40% respectively, vs. 73% in SDH and 64% in SAH; p < 0.001). These findings may guide clinical risk stratification, and improve the prognostic information given to patients.