Self-reported cardiorespiratory fitness: prediction and classification of risk of cardiovascular disease mortality and longevity - a prospective investigation in the Copenhagen City Heart Study
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Self-reported cardiorespiratory fitness : prediction and classification of risk of cardiovascular disease mortality and longevity - a prospective investigation in the Copenhagen City Heart Study. / Holtermann, Andreas; Marott, Jacob Louis; Gyntelberg, Finn; Søgaard, Karen; Mortensen, Ole Steen; Prescott, Eva; Schnohr, Peter.
I: American Heart Association. Journal. Cardiovascular and Cerebrovascular Disease, Bind 4, e001495, 01.2015, s. 1-8.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Self-reported cardiorespiratory fitness
T2 - prediction and classification of risk of cardiovascular disease mortality and longevity - a prospective investigation in the Copenhagen City Heart Study
AU - Holtermann, Andreas
AU - Marott, Jacob Louis
AU - Gyntelberg, Finn
AU - Søgaard, Karen
AU - Mortensen, Ole Steen
AU - Prescott, Eva
AU - Schnohr, Peter
N1 - © 2015 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley Blackwell.
PY - 2015/1
Y1 - 2015/1
N2 - BACKGROUND: The predictive value and improved risk classification of self-reported cardiorespiratory fitness (SRCF), when added to traditional risk factors on cardiovascular disease (CVD) and longevity, are unknown.METHODS AND RESULTS: A total of 3843 males and 5093 females from the Copenhagen City Heart Study without CVD in 1991-1994 were analyzed using multivariate Cox hazards regression to assess the predictive value and survival benefit for CVD and all-cause mortality from SRCF. The category-free net reclassification improvement from SRCF was calculated at 15-year follow-up on CVD and all-cause mortality. Overall, 1693 individuals died from CVD. In the fully adjusted Cox model, those reporting the same (hazard ratio [HR], 1.17; 95% confidence interval [CI], 1.04 to 1.32) and lower (HR, 1.91; 95% CI, 1.62 to 2.24) SRCF than peers had an increased risk of CVD mortality, compared with individuals with higher SRCF. Compared with individuals with higher SRCF, those with the same and lower SRCF had 1.8 (95% CI, 1.0 to 2.5) and 5.1 (95% CI, 4.1 to 6.2) years lower life expectancy, respectively. Individuals with lower SRCF had a significantly increased risk of CVD mortality, compared with individuals with higher SRCF, within each strata of leisure time physical activity and self-rated health, and SRCF significantly predicted CVD mortality independently of self-rated health and walking pace. A net reclassification improvement of 30.5% (95% CI, 22.1% to 38.9%) for CVD mortality was found when adding SRCF to traditional risk factors. Comparable findings were found for all-cause mortality.CONCLUSIONS: SRCF has independent predictive value, is related to a considerable survival benefit, and improves risk classification when added to traditional risk factors of CVD and all-cause mortality. SRCF might prove useful in improved risk stratification in primary prevention.
AB - BACKGROUND: The predictive value and improved risk classification of self-reported cardiorespiratory fitness (SRCF), when added to traditional risk factors on cardiovascular disease (CVD) and longevity, are unknown.METHODS AND RESULTS: A total of 3843 males and 5093 females from the Copenhagen City Heart Study without CVD in 1991-1994 were analyzed using multivariate Cox hazards regression to assess the predictive value and survival benefit for CVD and all-cause mortality from SRCF. The category-free net reclassification improvement from SRCF was calculated at 15-year follow-up on CVD and all-cause mortality. Overall, 1693 individuals died from CVD. In the fully adjusted Cox model, those reporting the same (hazard ratio [HR], 1.17; 95% confidence interval [CI], 1.04 to 1.32) and lower (HR, 1.91; 95% CI, 1.62 to 2.24) SRCF than peers had an increased risk of CVD mortality, compared with individuals with higher SRCF. Compared with individuals with higher SRCF, those with the same and lower SRCF had 1.8 (95% CI, 1.0 to 2.5) and 5.1 (95% CI, 4.1 to 6.2) years lower life expectancy, respectively. Individuals with lower SRCF had a significantly increased risk of CVD mortality, compared with individuals with higher SRCF, within each strata of leisure time physical activity and self-rated health, and SRCF significantly predicted CVD mortality independently of self-rated health and walking pace. A net reclassification improvement of 30.5% (95% CI, 22.1% to 38.9%) for CVD mortality was found when adding SRCF to traditional risk factors. Comparable findings were found for all-cause mortality.CONCLUSIONS: SRCF has independent predictive value, is related to a considerable survival benefit, and improves risk classification when added to traditional risk factors of CVD and all-cause mortality. SRCF might prove useful in improved risk stratification in primary prevention.
KW - Adult
KW - Age Factors
KW - Cardiovascular Diseases
KW - Cause of Death
KW - Cohort Studies
KW - Denmark
KW - Female
KW - Humans
KW - Longevity
KW - Male
KW - Middle Aged
KW - Physical Fitness
KW - Predictive Value of Tests
KW - Prospective Studies
KW - Self Report
KW - Sex Factors
KW - Urban Population
U2 - 10.1161/JAHA.114.001495
DO - 10.1161/JAHA.114.001495
M3 - Journal article
C2 - 25628408
VL - 4
SP - 1
EP - 8
JO - Journal of the American Heart Association
JF - Journal of the American Heart Association
SN - 2047-9980
M1 - e001495
ER -
ID: 162113080