1. 52% out of office hours: UK study. N = 45000, (Campbell, J. T., Bray, B. D., Hoffman, A. M., Kavanagh, S. J., Rudd, A. G., Tyrrell, P. J., & Intercollegiate Stroke Working Party (2014). The effect of out of hours presentation with acute stroke on processes of care and outcomes: analysis of data from the Stroke Improvement National Audit Programme (SINAP). PloS one, 9(2), e87946. https://doi.org/10.1371/journal.pone.0087946)
2. 60% out of office hours: Scotland study N = 52000, (Turner M, Barber M, Dodds H on behalf of the Scottish Stroke Care Audit, et al. Stroke patients admitted within normal working hours are more likely to achieve process standards and to have better outcomes. Journal of Neurology, Neurosurgery & Psychiatry 2016;87:138-143.)
3. Nannoni S, Strambo D, Sirimarco G, et al. Eligibility for late endovascular treatment using DAWN, DEFUSE-3, and more liberal selection criteria in a stroke center Journal of NeuroInterventional Surgery 2020;12:842-847.