Cited by 415Cardiovascular Health and Risk FactorsHealth Promotion and Cardiovascular PreventionStatistical Methods in Epidemiology

5-Year mortality predictors in 498,103 UK Biobank participants: a prospective population-based study.

Ganna, Andrea, Ingelsson, Erik·2015·The Lancet

Abstract

Background To our knowledge, a systematic comparison of predictors of mortality in middle-aged to elderly individuals has not yet been done. We investigated predictors of mortality in UK Biobank participants during a 5 year period. We aimed to investigate the associations between most of the available measurements and 5 year all-cause and cause-specific mortality, and to develop and validate a prediction score for 5 year mortality using only self-reported information.Methods Participants were enrolled in the UK Biobank from April, 2007, to July, 2010, from 21 assessment centres across England, Wales, and Scotland with standardised procedures. In this prospective population-based study, we assessed sex-specific associations of 655 measurements of demographics, health, and lifestyle with all-cause mortality and six cause-specific mortality categories in UK Biobank participants using the Cox proportional hazard model. We excluded variables that were missing in more than 80% of the participants and all cardiorespiratory fitness test measurements because summary data were not available. Validation of the prediction score was done in participants enrolled at the Scottish centres. UK life tables and census information were used to calibrate the score to the overall UK population.Findings About 500,000 participants were included in the UK Biobank. We excluded participants with more than 80% variables missing (n=746). Of 498,103 UK Biobank participants included (54% of whom were women) aged 37-73 years, 8532 (39% of whom were women) died during a median follow-up of 4·9 years (IQR 4·33-5·22). Self-reported health (C-index including age 0·74 [95% CI 0·73-0·75]) was the strongest predictor of all-cause mortality in men and a previous cancer diagnosis (0·73 [0·72-0·74]) was the strongest predictor of all-cause mortality in women. When excluding individuals with major diseases or disorders (Charlson comorbidity index >0; n=355 043), measures of smoking habits were the strongest predictors of all-cause mortality. The prognostic score including 13 self-reported predictors for men and 11 for women achieved good discrimination (0·80 [0·77-0·83] for men and 0·79 [0·76-0·83] for women) and significantly outperformed the Charlson comorbidity index (p<0·0001 in men and p=0·0007 in women). A dedicated website allows the interactive exploration of all results along with calculation of individual risk through an online questionnaire.Interpretation Measures that can simply be obtained by questionnaires and without physical examination were the strongest predictors of all-cause mortality in the UK Biobank population. The prediction score we have developed accurately predicts 5 year all-cause mortality and can be used by individuals to improve health awareness, and by health professionals and organisations to identify high-risk individuals and guide public policy.Funding Knut and Alice Wallenberg Foundation and the Swedish Research Council.

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Crossref · 10.1016/s0140-6736(15)60175-1

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Authors
Ganna, A., & Ingelsson, E.
Affiliations
Uppsala University (SE)
Corresponding author
Ingelsson, Erik
Venue
The Lancet
Publisher
Elsevier BV
Published
2015-08
Volume
386
Issue
9993
Pages
533-540
ISSN
  • 0099-5355 (ISSN-L)
  • 0140-6736
OpenAlex
W2168885178
Cited by
411
References
38
Citations by year
2026: 17 · 2025: 30 · 2024: 43 · 2023: 24 · 2022: 46 · 2021: 37 · 2020: 57 · 2019: 30 · 2018: 34 · 2017: 39 · 2016: 43 · 2015: 11
FWCI
30.74
Type
journal article
Language
en
Open access
closed
Locations
  • The Lancet (publishedVersion)
  • PubMed (publishedVersion)
Funders
Wellcome Trust (093707)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Risk Factors
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Health Promotion and Cardiovascular Prevention
  • Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods in Epidemiology
Keywords
mortality prediction, all-cause mortality, cause-specific mortality, UK Biobank, self-reported health, smoking, Charlson Comorbidity Index, prognostic score, sex differences, middle-aged and older adults, risk factors
MeSH terms
Adult, Aged, Blood Banks, Cause of Death, Female, United Kingdom, Humans, Male, Middle Aged, Predictive Value of Tests, Prognosis, Risk Factors, Cohort Studies, Survival Rate, Proportional Hazards Models

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