| 1. |
- Aad, G., et al.
(author)
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- 2010
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swepub:Mat__t
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| 2. |
- Aad, G., et al.
(author)
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- 2010
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swepub:Mat__t
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| 7. |
- Akhmadaliev, S., et al.
(author)
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Hadron energy reconstruction for the ATLAS calorimetry in the framework of the non-parametrical method
- 2002
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In: Nuclear Instruments and Methods in Physics Research Section A. - 0168-9002 .- 1872-9576. ; 480:03-feb, s. 508-523
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Journal article (peer-reviewed)abstract
- This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part) in the framework of the non-parametrical method. The non-parametrical method utilizes only the known e/h ratios and the electron calibration constants and does not require the determination of any parameters by a minimization technique. Thus, this technique lends itself to an easy use in a first level trigger. The reconstructed mean values of the hadron energies are within +/-1% of the true values and the fractional energy resolution is [(58+/-3)%/rootE+(2.5+/-0.3)%]circle plus(1.7+/-0.2)/E. The value of the e/h ratio obtained for the electromagnetic compartment of the combined calorimeter is 1.74+/-0.04 and agrees with the prediction that e/h > 1.66 for this electromagnetic calorimeter. Results of a study of the longitudinal hadronic shower development are also presented. The data have been taken in the H8 beam line of the CERN SPS using pions of energies from 10 to 300 GeV.
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| 9. |
- Johns, D. J., et al.
(author)
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Dietary Patterns, Cardiometabolic Risk Factors, and the Incidence of Cardiovascular Disease in Severe Obesity
- 2015
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In: Obesity. - : Wiley. - 1930-7381 .- 1930-739X. ; 23:5, s. 1063-1070
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Journal article (peer-reviewed)abstract
- ObjectiveThe longitudinal associations between a dietary pattern (DP) and cardiometabolic risk factors and cardiovascular disease (CVD) incidence were investigated in a cohort of adults with severe obesity. MethodsThe analysis included 2,037 individuals with severe obesity (>34 and >38 kg/m(2) for men and women, respectively) from the Swedish Obese Subjects study repeatedly followed up for 10 years. Reduced rank regression was used to identify a DP characterized by dietary energy density, saturated fat intake, and fiber density. Mixed models examined relationships between repeated measures of DP z-scores and cardiometabolic risk factors. Cox proportional hazards models assessed relationships between DP scores and CVD incidence. ResultsAn energy-dense, high-saturated-fat, and low-fiber DP was derived. A one-unit increase in the DP z-score between follow-ups was associated with an increase in weight [ (SE)] (1.710.10 kg), waist circumference (1.49 +/- 0.07 cm), BMI (0.60 +/- 0.34 kg/m(2)), serum cholesterol (0.06 +/- 0.01 mmol/l), and serum insulin (1.22 +/- 0.17 mmol/l; all P<0.0001), as well as in serum triglycerides (0.05 +/- 0.02 mmol/l; P<0.05), systolic blood pressure (1.05 +/- 0.27 mmHg; P<0.001), and diastolic blood pressure (0.55 +/- 0.16 mmHg; P<0.05). No significant association was observed between repeated measures of the DP z-scores and CVD incidence (HR=0.96; 95% CI=0.83-1.12). ConclusionsAn energy-dense, high-saturated-fat, and low-fiber DP was longitudinally associated with increases in cardiometabolic risk factors in severe obesity but not with CVD incidence.
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| 10. |
- Johns, D. J., et al.
(author)
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Tracking of a Dietary Pattern and Its Components over 10-Years in the Severely Obese
- 2014
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In: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 9:5
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Journal article (peer-reviewed)abstract
- Understanding how dietary intake changes over time is important for studies of diet and disease and may inform interventions to improve dietary intakes. We investigated how a dietary pattern (DP) tracked over 10-years in the Swedish Obese Subjects (SOS) study control group. Dietary intake was assessed at multiple time-points in 2037 severely obese individuals (BMI 4164 kg/m(2)). Reduced rank regression was used to derive a dietary pattern using dietary energy density (kJ/g), saturated fat (%) and fibre density (mg/kJ) as response variables and score respondents at each follow-up. Tracking coefficients for the DP, its key foods and macronutrient response variables and corrected for time-dependent and time-independent covariates were calculated using generalised estimating equations to take into account all available data. The DP tracking coefficient was moderate for women (0.40; 95% CI: 0.38-0.42) and men (0.38; 95% CI: 0.35-0.41). Of the eleven foods key to this DP, fruit and vegetable intakes had the strongest tracking coefficient for both sexes. Fast food and candy had the lowest tracking coefficients for women and men respectively. Scores for an energy dense, high saturated fat, low fibre density DP appear moderately stable over a 10-year period in this severely obese population. Furthermore, some food groups appear more amenable to change while others, often the most healthful, appear more stable and may require intervention before adulthood.
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