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. Author manuscript; available in PMC: 2010 Jul 13.
Published in final edited form as: Arch Intern Med. 2009 Jul 13;169(13):1195–1202. doi: 10.1001/archinternmed.2009.175

Figure 1. Sample Population.

Figure 1

MRI= brain magnetic resonance imaging; CHF= congestive heart failure

The year of the MRI served as the baseline visit. MRIs were obtained from 1991–1994. Follow-up continued through 1999 or until the participant received a diagnosis of dementia or was lost to follow-up, whichever came first.