1. Volume 370, Issue 9586, Pages 493-503 (August 2007)
Warfarin versus aspirin for stroke prevention in an elderly community population with atrial fibrillation (the Birmingham Atrial Fibrillation Treatment of the Aged Study, BAFTA): a randomised controlled trial 
Dr Jonathan Mant, MD, Prof FD Richard Hobbs, FMedSci, Kate Fletcher, BA, Andrea Roalfe, MSc, Prof David Fitzmaurice, MD, Prof Gregory YH Lip, MD, Ellen Murray, PhD 
The Lancet 
Volume 370, Issue 9586, Pages (August 2007)
DOI: /S (07)
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2. Figure 1 Trial profile AF=atrial fibrillation.
The Lancet  , DOI: ( /S (07) )
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3. Figure 2 Kaplan-Meier plot of adherence to allocated treatment
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4. Figure 3 Kaplan-Meier plot of time to primary event
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5. Figure 4 Relative risk of all primary events by subgroup
Bars show the 95% CIs calculated by Poisson exact method. The broken line shows relative risk of primary events in the whole trial population. TIA=transient ischaemic attack.
The Lancet  , DOI: ( /S (07) )
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6. Figure 5
Indirect comparison of results from BAFTA for ischaemic stroke and major haemorrhage with results from six other randomised trials of aspirin versus anticoagulation
BAFTA results are compared with those from a meta-analysis by Van Walraven and colleagues8 that used data from individual patients aged ≥75 years from six previous studies.
The Lancet  , DOI: ( /S (07) )
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