Cohort profile: The South London Stroke Register – a population-based register measuring the incidence and outcomes of stroke

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The South London Stroke Register (SLSR) is a population-based cohort study, which was established in 1995 to study the causes, incidence, and outcomes of stroke. The SLSR aims to estimate incidence, and acute and long term needs in a multi-ethnic inner-city population, with follow-up durations for some participants exceeding 20 years.

The SLSR aims to recruit residents of a defined area within Lambeth and Southwark who experience a first stroke. More than 7700 people have been registered since inception, and >2750 people continue to be followed up. At the 2011 census, the source population was 357,308.

Findings to date:
The SLSR was instrumental in highlighting the inequalities in risk and outcomes in the UK, and demonstrating the dramatic improvements in care quality and outcomes in recent decades. Data from the SLSR informed the UK National Audit Office in its 2005 report criticising the poor state of stroke care in England. For people living in the SLSR area the likelihood of being treated in a stroke unit increased from 19% in 19957 to 75% in 20079. The SLSR has investigated health inequalities in stroke incidence and outcome. SLSR analyses have demonstrated that lower socioeconomic status was associated with poorer outcome, and that Black people and younger people have not experienced the same improvements in stroke incidence as other groups.

Future plans:
As part of an NIHR Programme Grant for Applied Research, from April 2022 the SLSR has expanded to recruit ICD-11 defined stroke (including those with <24 h symptoms where there are neuroimaging findings), and have expanded the follow up interviews to collect more detailed information on quality of life, cognition, and care needs. Additional data items will be added over the Programme based on feedback from patients and other stakeholders.

Original languageEnglish
Article number107210
JournalJournal of Stroke and Cerebrovascular Diseases
Issue number8
Early online date27 Jun 2023
Publication statusPublished - Aug 2023


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