ArticleEuropean heart journal2024
Body mass index, waist circumference, and mortality in subjects older than 80 years: a Mendelian randomization study.
Article in European heart journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 61 papers, 2 of them syntheses that pooled it.
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Who cites it
61 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Associations of exposure to PMBMC public health · 2025Pooled it
- Effects of weight control interventions on cardiovascular outcomes: an umbrella review of systematic reviews and meta-analyses.International journal of obesity (2005) · 2025Pooled it
- Kidney function decline and kidney stone risk: cohort and Mendelian randomization analyses.Renal failure · 2026Article
- Metabolomic and lifestyle profiles refine BMI-metabolic phenotypes in older adults.Cell reports. Medicine · 2026Observational
- Multi-city Elderly Health Examination Cohort Study (MEHECS) in China.European journal of epidemiology · 2026Article
- Associations of lifestyle factors and stress levels on abnormal body weight among Chinese adults: a cross-sectional study.BMC public health · 2026Article
- Unraveling the causal web of 4 adiposity indices and 92 multi-system outcomes: A body-wide Mendelian randomization study.Medicine · 2026Article
- The McCance Brain Care Score and Mortality: Evidence From a Large-Scale Population-Based Cohort.Annals of clinical and translational neurology · 2026Article
- The Associations of Anthropometric Indices With Stages and Mortality in Cardiovascular-Kidney-Metabolic Syndrome: Insights From NHANES.Reviews in cardiovascular medicine · 2026Article
- An online non-radiographic osteoporosis prediction calculator constructed using interpretable machine learning.BioData mining · 2026Article
- Independent association of leg-height ratio with 15 cardiometabolic diseases.Cardiovascular diabetology · 2026Article
- Joint effects of waist circumference trajectories and aging with risk of heart disease.BMC cardiovascular disorders · 2026Article
- Multiple machine-learning-driven metabolic frameworks for long-term prognostic risk assessment in patients with coexisting hypertension and obstructive sleep apnea:insights from a multicenter cohort study.Frontiers in physiology · 2026Article
- Effect of obstructive sleep apnea-hypopnea syndrome on myocardial mechanics in obese patients.Frontiers in cardiovascular medicine · 2026Article
- A 6-year cohort study of the associations of body mass index, waist circumference, and waist-hip ratio with cognitive impairment in Chinese elderly.Frontiers in psychology · 2026Article
- Article
- Reevaluating the obesity paradox across diverse disease outcomes: A Mendelian randomization study.Medicine · 2025Article
- High salt intake and its dual impact on obesity and cardiovascular mortality in individuals over 50: a paradoxical relationship.BMC public health · 2025Article
- Body Roundness Index Associated With Cardiometabolic Multimorbidity and Mortality: A Multistate Model.Obesity (Silver Spring, Md.) · 2025Article
- Association between arterial stiffness and geriatric status: results of cross-sectional study.Journal of geriatric cardiology : JGC · 2025Article
1 more citing papers are in PubMed but not listed here.
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27 authors.
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Abstract
BACKGROUND AND
aimsEmerging evidence has raised an obesity paradox in observational studies of body mass index (BMI) and health among the oldest-old (aged ≥80 years), as an inverse relationship of BMI with mortality was reported. This study was to investigate the causal associations of BMI, waist circumference (WC), or both with mortality in the oldest-old people in China.
methodsA total of 5306 community-based oldest-old (mean age 90.6 years) were enrolled in the Chinese Longitudinal Healthy Longevity Survey (CLHLS) between 1998 and 2018. Genetic risk scores were constructed from 58 single-nucleotide polymorphisms (SNPs) associated with BMI and 49 SNPs associated with WC to subsequently derive causal estimates for Mendelian randomization (MR) models. One-sample linear MR along with non-linear MR analyses were performed to explore the associations of genetically predicted BMI, WC, and their joint effect with all-cause mortality, cardiovascular disease (CVD) mortality, and non-CVD mortality.
resultsDuring 24 337 person-years of follow-up, 3766 deaths were documented. In observational analyses, higher BMI and WC were both associated with decreased mortality risk [hazard ratio (HR) 0.963, 95% confidence interval (CI) 0.955-0.971 for a 1-kg/m2 increment of BMI and HR 0.971 (95% CI 0.950-0.993) for each 5 cm increase of WC]. Linear MR models indicated that each 1 kg/m2 increase in genetically predicted BMI was monotonically associated with a 4.5% decrease in all-cause mortality risk [HR 0.955 (95% CI 0.928-0.983)]. Non-linear curves showed the lowest mortality risk at the BMI of around 28.0 kg/m2, suggesting that optimal BMI for the oldest-old may be around overweight or mild obesity. Positive monotonic causal associations were observed between WC and all-cause mortality [HR 1.108 (95% CI 1.036-1.185) per 5 cm increase], CVD mortality [HR 1.193 (95% CI 1.064-1.337)], and non-CVD mortality [HR 1.110 (95% CI 1.016-1.212)]. The joint effect analyses indicated that the lowest risk was observed among those with higher BMI and lower WC.
conclusionsAmong the oldest-old, opposite causal associations of BMI and WC with mortality were observed, and a body figure with higher BMI and lower WC could substantially decrease the mortality risk. Guidelines for the weight management should be cautiously designed and implemented among the oldest-old people, considering distinct roles of BMI and WC.
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