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Cited by 284

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Association of Kidney Function and Albuminuria With Cardiovascular Mortality in Older vs Younger Individuals: The HUNT II Study

Hallan, Stein·2007·Archives of Internal Medicine

Abstract

BACKGROUND: The cardiovascular risk implications of a combined assessment of reduced kidney function and microalbuminuria are unknown. In elderly persons, traditional cardiovascular risk factors are less predictive, and measures of end organ damage, such as kidney disease, may be needed for improved cardiovascular mortality risk stratification. METHODS: The glomerular filtration rate was estimated from calibrated serum creatinine, and the urine albumin-creatinine ratio (ACR) was measured in 3 urine samples in 9,709 participants of the second Nord-Trøndelag Health Study (HUNT II), a Norwegian community-based health study, followed for 8.3 years with a 71% participation rate. RESULTS: An estimated glomerular filtration rate (EGFR) at levels of less than 75 mL/min/1.73 m(2) was associated with higher cardiovascular mortality risk, whereas a higher ACR was associated with higher risk with no lower limit. Low EGFR and albuminuria were synergistic cardiovascular mortality risk factors. Compared with subjects with an EGFR greater than 75 mL/min/1.73 m(2) and ACR below the sex-specific median who were at the lowest risk, subjects with an EGFR of less than 45 mL/min/1.73 m(2) and microalbuminuria had an adjusted incidence rate ratio of 6.7 (95% confidence interval, 3.0-15.1; P < .001). The addition of ACR and EGFR improved traditional risk models: 39% of subjects with intermediate risk were reclassified to low- or high-risk categories with corresponding observed risks that were 3-fold different than the original category. Age-stratified analyses showed that EGFR and ACR were particularly strong risk factors for persons 70 years or older. CONCLUSIONS: Reduced kidney function and microalbuminuria are risk factors for cardiovascular death, independent of each other and traditional risk factors. The combined variable improved cardiovascular risk stratification at all age levels, but particularly in elderly persons where the predictive power of traditional risk factors is attenuated.

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Metadata

Authors
Hallan, S.
Venue
Archives of Internal Medicine
Published
2007-12-10
Volume
167
Issue
22
Pages
2490
ISSN
0003-9926
OpenAlex
W2156758360
Cited by
284
References
35
FWCI
16.10
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Association of Kidney Function and Albuminuria With Cardiovascular Mortality in Older vs Younger Individuals: The HUNT II Study. https://app.cochat.ai/papers/10.1001/archinte.167.22.2490
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Hallan, S. (2007). Association of Kidney Function and Albuminuria With Cardiovascular Mortality in Older vs Younger Individuals: The HUNT II Study. Archives of Internal Medicine. https://doi.org/10.1001/archinte.167.22.2490

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