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Sökning: WFRF:(Rosengren AH)

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11.
  • Duong, MyLinh, et al. (författare)
  • Differences and agreement between two portable hand-held spirometers across diverse community-based populations in the Prospective Urban Rural Epidemiology (PURE) study.
  • 2022
  • Ingår i: PLOS global public health. - : Public Library of Science (PLoS). - 2767-3375. ; 2:2
  • Tidskriftsartikel (refereegranskat)abstract
    • Portable spirometers are commonly used in longitudinal epidemiological studies to measure and track the forced expiratory volume in first second (FEV1) and forced vital capacity (FVC). During the course of the study, it may be necessary to replace spirometers with a different model. This raise questions regarding the comparability of measurements from different devices. We examined the correlation, mean differences and agreement between two different spirometers, across diverse populations and different participant characteristics.From June 2015 to Jan 2018, a total of 4,603 adults were enrolled from 628 communities in 18 countries and 7 regions of the world. Each participant performed concurrent measurements from the MicroGP and EasyOne spirometer. Measurements were compared by the intra-class correlation coefficient (ICC) and Bland-Altman method.Approximately 65% of the participants achieved clinically acceptable quality measurements. Overall correlations between paired FEV1 (ICC 0.88 [95% CI 0.87, 0.88]) and FVC (ICC 0.84 [0.83, 0.85]) were high. Mean differences between paired FEV1 (-0.038 L [-0.053, -0.023]) and FVC (0.033 L [0.012, 0.054]) were small. The 95% limits of agreement were wide but unbiased (FEV1 984, -1060; FVC 1460, -1394). Similar findings were observed across regions. The source of variation between spirometers was mainly at the participant level. Older age, higher body mass index, tobacco smoking and known COPD/asthma did not adversely impact on the inter-device variability. Furthermore, there were small and acceptable mean differences between paired FEV1 and FVC z-scores using the Global Lung Initiative normative values, suggesting minimal impact on lung function interpretation.In this multicenter, diverse community-based cohort study, measurements from two portable spirometers provided good correlation, small and unbiased differences between measurements. These data support their interchangeable use across diverse populations to provide accurate trends in serial lung function measurements in epidemiological studies.
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12.
  • Mente, A., et al. (författare)
  • Urinary sodium excretion, blood pressure, cardiovascular disease, and mortality: a community-level prospective epidemiological cohort study
  • 2018
  • Ingår i: The Lancet. - : Elsevier BV. - 0140-6736. ; 392:10146, s. 496-506
  • Tidskriftsartikel (refereegranskat)abstract
    • Background WHO recommends that populations consume less than 2 g/day sodium as a preventive measure against cardiovascular disease, but this target has not been achieved in any country. This recommendation is primarily based on individual-level data from short-term trials of blood pressure (BP) without data relating low sodium intake to reduced cardiovascular events from randomised trials or observational studies. We investigated the associations between community-level mean sodium and potassium intake, cardiovascular disease, and mortality. Methods The Prospective Urban Rural Epidemiology study is ongoing in 21 countries. Here we report an analysis done in 18 countries with data on clinical outcomes. Eligible participants were adults aged 35-70 years without cardiovascular disease, sampled from the general population. We used morning fasting urine to estimate 24 h sodium and potassium excretion as a surrogate for intake. We assessed community-level associations between sodium and potassium intake and BP in 369 communities (all >50 participants) and cardiovascular disease and mortality in 255 communities (all >100 participants), and used individual-level data to adjust for known confounders. Findings 95 767 participants in 369 communities were assessed for BP and 82 544 in 255 communities for cardiovascular outcomes with follow-up for a median of 8.1 years. 82 (80%) of 103 communities in China had a mean sodium intake greater than 5 g/day, whereas in other countries 224 (84%) of 266 communities had a mean intake of 3-5 g/day. Overall, mean systolic BP increased by 2.86 mm Hg per 1 g increase in mean sodium intake, but positive associations were only seen among the communities in the highest tertile of sodium intake (p<0.0001 for heterogeneity). The association between mean sodium intake and major cardiovascular events showed significant deviations from linearity (p=0.043) due to a significant inverse association in the lowest tertile of sodium intake (lowest tertile <4.43 g/day, mean intake 4.04 g/day, range 3.42-4.43; change -1.00 events per 1000 years, 95% CI -2.00 to -0.01, p=0.0497), no association in the middle tertile (middle tertile 4.43-5.08 g/day, mean intake 4.70 g/day, 4.44-5.05; change 0.24 events per 1000 years, -2.12 to 2.61, p=0.8391), and a positive but non-significant association in the highest tertile (highest tertile >5.08 g/day, mean intake 5.75 g/day, >5.08-7.49; change 0.37 events per 1000 years, -0.03 to 0.78, p=0.0712). A strong association was seen with stroke in China (mean sodium intake 5.58 g/day, 0.42 events per 1000 years, 95% CI 0.16 to 0.67, p=0.0020) compared with in other countries (4.49 g/day, -0.26 events, -0.46 to -0.06, p=0.0124; p<0.0001 for heterogeneity). All major cardiovascular outcomes decreased with increasing potassium intake in all countries. Interpretation Sodium intake was associated with cardiovascular disease and strokes only in communities where mean intake was greater than 5 g/day. A strategy of sodium reduction in these communities and countries but not in others might be appropriate. Funding Population Health Research Institute, Canadian Institutes of Health Research, Canadian Institutes of Health Canada Strategy for Patient-Oriented Research, Ontario Ministry of Health and Long-Term Care, Heart and Stroke Foundation of Ontario, and European Research Council. Copyright (c) 2018 Elsevier Ltd. All rights reserved.
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13.
  • Wang, Chuangshi, et al. (författare)
  • Association of estimated sleep duration and naps with mortality and cardiovascular events: a study of 116632 people from 21 countries.
  • 2019
  • Ingår i: European heart journal. - : Oxford University Press (OUP). - 1522-9645 .- 0195-668X. ; 40:20, s. 1620-1629
  • Tidskriftsartikel (refereegranskat)abstract
    • To investigate the association of estimated total daily sleep duration and daytime nap duration with deaths and major cardiovascular events.We estimated the durations of total daily sleep and daytime naps based on the amount of time in bed and self-reported napping time and examined the associations between them and the composite outcome of deaths and major cardiovascular events in 116632 participants from seven regions. After a median follow-up of 7.8years, we recorded 4381 deaths and 4365 major cardiovascular events. It showed both shorter (≤6h/day) and longer (>8h/day) estimated total sleep durations were associated with an increased risk of the composite outcome when adjusted for age and sex. After adjustment for demographic characteristics, lifestyle behaviours and health status, a J-shaped association was observed. Compared with sleeping 6-8h/day, those who slept ≤6h/day had a non-significant trend for increased risk of the composite outcome [hazard ratio (HR), 1.09; 95% confidence interval, 0.99-1.20]. As estimated sleep duration increased, we also noticed a significant trend for a greater risk of the composite outcome [HR of 1.05 (0.99-1.12), 1.17 (1.09-1.25), and 1.41 (1.30-1.53) for 8-9h/day, 9-10h/day, and >10h/day, Ptrend < 0.0001, respectively]. The results were similar for each of all-cause mortality and major cardiovascular events. Daytime nap duration was associated with an increased risk of the composite events in those with over 6h of nocturnal sleep duration, but not in shorter nocturnal sleepers (≤6h).Estimated total sleep duration of 6-8h per day is associated with the lowest risk of deaths and major cardiovascular events. Daytime napping is associated with increased risks of major cardiovascular events and deaths in those with >6h of nighttime sleep but not in those sleeping ≤6h/night.
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