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Serum Albumin and Future Risk of Hip, Humeral, and Wrist Fractures in Caucasian Men: New Findings from a Prospective Cohort Study

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)401-409
Number of pages9
JournalMedical Principles and Practice
Volume28
Issue number5
Early online date21 Mar 2019
DOIs
DateAccepted/In press - 20 Mar 2019
DateE-pub ahead of print - 21 Mar 2019
DatePublished (current) - 1 Sep 2019

Abstract

OBJECTIVE: Low serum albumin concentration is associated with poor health outcomes, but its relationship with the risk of fractures has not been reliably quantified. We aimed to assess the prospective association of serum albumin with the risk of fractures in a general population.

SUBJECTS AND METHODS: Baseline serum albumin concentrations were measured in 2,245 men aged 42-61 years in the Kuopio Ischemic Heart Disease study. Hazard ratios (HRs) (95% confidence intervals, CI) were calculated for incident fractures.

RESULTS: A total of 121 fractures (hip, humeral, or wrist) were recorded during a median follow-up of 25.6 years. The risk of fractures increased linearly below a serum albumin concentration of ~48 g/l. The age-adjusted HR (95% CI) for fractures per 1 standard deviation lower serum albumin was 1.24 (1.05-1.48). On further adjustment for several conventional and emerging risk factors, the HR was attenuated to 1.21 (1.01-1.45). Comparing the bottom versus top quartile of serum albumin levels, the corresponding adjusted HRs were 2.48 (1.37-4.48) and 2.26 (1.23-4.14). The association of serum albumin with fracture risk did not differ substantially according to age, body mass index, blood pressure, physical activity, alcohol consumption, socioeconomic status, inflammation, prevalent diseases, and smoking. Serum albumin at a threshold of 41.5 g/l demonstrated an area under the curve of 0.5850.

CONCLUSION: In middle-aged Caucasian men, low serum albumin is associated with an increased risk of future fractures. The potential relevance of serum albumin concentrations in fracture prevention and prediction deserves further evaluation.

    Structured keywords

  • Centre for Surgical Research

    Research areas

  • Serum albumin, Fracture

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