Volume 8, Issue 5, Pages 427-433 (May 2009) Risk of recurrent subarachnoid haemorrhage, death, or dependence and standardised mortality ratios after clipping or coiling of an intracranial aneurysm in the International Subarachnoid Aneurysm Trial (ISAT): long-term follow-up Andrew J Molyneux, FRCR, Richard SC Kerr, FRCS, Jacqueline Birks, MSc, Najib Ramzi, MD, Julia Yarnold, MA, Mary Sneade, BA, Joan Rischmiller, RGN The Lancet Neurology Volume 8, Issue 5, Pages 427-433 (May 2009) DOI: 10.1016/S1474-4422(09)70080-8 Copyright © 2009 Elsevier Ltd Terms and Conditions
Figure 1 Study profile *Some non-UK centres no longer follow-up patients. †Lost patients had moved abroad (from country of randomisation) or had had no contact with study centre or primary-care physician since the first or second year of study. ‡Patient has withdrawn or they no longer wish to participate. The Lancet Neurology 2009 8, 427-433DOI: (10.1016/S1474-4422(09)70080-8) Copyright © 2009 Elsevier Ltd Terms and Conditions
Figure 2 Kaplan–Meier graph of cumulative risk of rebleed from the treated aneurysm after more than 1 year by treatment allocation Patients followed up for a minimum of 6 years and a maximum of 14 years. SAH=subarachnoid haemorrhage. The Lancet Neurology 2009 8, 427-433DOI: (10.1016/S1474-4422(09)70080-8) Copyright © 2009 Elsevier Ltd Terms and Conditions
Figure 3 Kaplan–Meier graph of cumulative mortality rate Patients followed up for a minimum of 6 years and a maximum of 14 years. SAH=subarachnoid haemorrhage. The Lancet Neurology 2009 8, 427-433DOI: (10.1016/S1474-4422(09)70080-8) Copyright © 2009 Elsevier Ltd Terms and Conditions