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Journal article
C-reactive protein and risk of cognitive decline: The REGARDS study
PloS one, v 15(12), pp e0244612-e0244612
2020
PMID: 33382815
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Markers of systemic inflammation are associated with increased risk of cognitive impairment, but it is unclear if they are associated with a faster rate of cognitive decline and whether this relationship differs by race. Our objective was to examine the association of baseline C-reaction protein (CRP) with cognitive decline among a large racially diverse cohort of older adults. Participants included 21,782 adults aged 45 and older (36% were Black, Mean age at baseline 64) from the REasons for Geographic And Racial Differences in Stroke (REGARDS) study. CRP was measured at baseline and used as a continuous variable or a dichotomous grouping based on race-specific 90th percentile cutoffs. Cognitive measures of memory and verbal fluency were administered every 2 years for up to 12 years. Latent growth curve models evaluated the association of CRP on cognitive trajectories, adjusting for relevant demographic and health factors. We found that higher CRP was associated with worse memory (B = -.039, 95% CI [-.065,-.014]) and verbal fluency at baseline (B = -.195, 95% CI [-.219,-.170]), but not with rate of cognitive decline. After covariate adjustment, the association of CRP on memory was attenuated (B = -.005, 95% CI [-.031,-.021]). The association with verbal fluency at baseline, but not over time, remained (B = -.042, 95% CI [-.067,-.017]). Race did not modify the association between CRP and cognition. Findings suggest that levels of CRP at age 45+, are a marker of cognitive impairment but may not be suitable for risk prediction for cognitive decline.
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Details
- Title
- C-reactive protein and risk of cognitive decline: The REGARDS study
- Creators
- Miguel Arce Rentería - Department of Neurology, Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Columbia University College of Physicians and Surgeons, New York, New York, United States of AmericaSarah R Gillett - University of VermontLeslie A McClure - Drexel UniversityVirginia G Wadley - University of Alabama at BirminghamStephen P Glasser - University of Alabama at BirminghamVirginia J Howard - University of Alabama at BirminghamBrett M Kissela - University of CincinnatiFrederick W Unverzagt - Indiana UniversityNancy S Jenny - University of VermontJennifer J Manly - Columbia UniversityMary Cushman - University of Vermont
- Publication Details
- PloS one, v 15(12), pp e0244612-e0244612
- Publisher
- Public LIbrary of Science (PLOS)
- Grant note
- T32 HL007594 / NHLBI NIH HHS P30 DK079626 / NIDDK NIH HHS P20 GM135007 / NIGMS NIH HHS U01 NS041588 / NINDS NIH HHS
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Epidemiology and Biostatistics
- Web of Science ID
- WOS:000605651900047
- Scopus ID
- 2-s2.0-85099022428
- Other Identifier
- 991019168474504721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Clinical Neurology