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      Fitness for Entering a Simple Exercise Program and Mortality: A Study Corollary to the Exercise Introduction to Enhance Performance in Dialysis (Excite) Trial

      a, n , a, n , a , b , c , d , d , e , f , g , e , h , a , i , j , f , l , i , l , j , k , f , g , e , l , k , m , a , d , a , a

      Kidney and Blood Pressure Research

      S. Karger AG

      Dialysis, Deambulation, Physical exercise, Mortality, Outcome study

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          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          Background/Aims: In this corollary analysis of the EXCITE study, we looked at possible differences in baseline risk factors and mortality between subjects excluded from the trial because non-eligible (n=216) or because eligible but refusing to participate (n=116). Methods: Baseline characteristics and mortality data were recorded. Survival and independent predictors of mortality were assessed by Kaplan-Meier and Cox regression analyses. Results: The incidence rate of mortality was higher in non-eligible vs. eligible non-randomized patients (21.0 vs. 10.9 deaths/100 persons-year; P<0.001). The crude excess risk of death in non-eligible patients (HR 1.96; 95% CI 1.36 to 2.77; P<0.001) was reduced after adjustment for risk factors which differed in the two cohorts including age, blood pressure, phosphate, CRP, smoking, diabetes, triglycerides, cardiovascular comorbidities and history of neoplasia (HR 1.60; 95% CI 1.10 to 2.35; P=0.017) and almost nullified after including in the same model also information on deambulation impairment (HR 1.16; 95% CI 0.75 to 1.80; P=0.513). Conclusions: Deambulation ability mostly explains the difference in survival rate in non-eligible and eligible non-randomized patients in the EXCITE trial. Extending data analyses and outcome reporting also to subjects not taking part in a trial may be helpful to assess the representability of the study population.

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          Most cited references 3

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          Determinants of Cardiovascular Risk in Haemodialysis Patients: Post hoc Analyses of the AURORA Study

          Background: Haemodialysis patients are at high risk for cardiovascular (CV) events. The aim of the current study was to characterise the role of traditional and uraemia-specific CV risk factors in this patient population. Methods: A post hoc analysis of the AURORA trial which enrolled 2,776 haemodialysis patients from 280 centres and had a mean follow-up period of 3.2 years. Determinants of CV endpoints (time to major cardiovascular event (MACE), cardiac event, CV death) were identified by univariate Cox regression analysis. Subsequently, independent determinants were identified by multivariate regression analysis. Results: For the primary endpoint MACE (myocardial infarction, stroke and cardiac death), multivariate analysis revealed that independent determinants were: age (hazard ratio (HR) 1.03 per year), serum phosphate level (HR 1.50 per mmol/l), albumin level (HR 0.94 per g/l), years on haemodialysis (HR 1.03 per year), diabetes mellitus (HR 1.38), preexisting coronary heart disease (HR 1.54) and C-reactive protein (CRP) level (HR 1.14 per mg/l). However, conventional risk factors such as smoking, dyslipidaemia, systolic and diastolic blood pressure and pulse pressure had no significant effect. Conclusions : Although we identify CRP, low albumin, and high phosphorus as risk factors for MACE, lowering CRP did not influence MACE outcomes in our trial. Caution is therefore warranted in implying risk factors being causal in end-stage renal disease.
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            The quality of reporting in clinical research: the CONSORT and STROBE initiatives.

            Inaccurate reporting of data hampers the generalizability and the correct interpretation of results of scientific medical papers. The Consolidated Standards of Reporting Trials (CONSORT) and Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) initiatives, both included in the Enhancing the Quality and Transparency of Health Research (EQUATOR) international network, have elaborated appropriate guidelines in order to improve the transparence, clearness and completeness of scientific literature. The CONSORT statement consists of a 25 items checklist and a flow-chart diagram which provide guidance to Authors on how to report randomized clinical trials. The STROBE is a checklist of 22 items which should be addressed when observational studies (case-control, cohort and cross-sectional) are made up. Many editorial committees and prestigious international journals have now embraced these guidelines to improve the quality and methodology of their scientific reports.
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              Assessment of Model Adequacy

              (2008)
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                Author and article information

                Journal
                KBR
                Kidney Blood Press Res
                10.1159/issn.1420-4096
                Kidney and Blood Pressure Research
                S. Karger AG
                978-3-318-02734-1
                1420-4096
                1423-0143
                2014
                August 2014
                29 July 2014
                : 39
                : 2-3
                : 197-204
                Affiliations
                aCNR-IFC, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension of Reggio Calabria; bDepartment of Biomedical Sciences and Surgical Specialties -Section of Sport Sciences, University of Ferrara; cNephrology Unit, Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Foggia; dNephrology Unit, AOU Ferrara Arcispedale S. Anna, Ferrara; eNephrology and Dialysis Unit, IRCCS Multimedica - Policlinico Multispecialistico, Sesto S. Giovanni, Milan; fClinical Division of Chirurgical Nephrology, University of Catania - Azzurra Medical Nephrological Ambulatory and Dialysis Techniques; gDepartment of Internal Medicine, University of Catania, Catania; hDepartment of Clinical and Experimental Medicine, University of Pisa; iNephrology and Dialysis Unit, Ospedale Pugliese-Ciaccio, Catanzaro; jNephrology and Dialysis Unit, IRCCS Cà Granda Ospedale Maggiore - Policlinico, Milano; kNephrology and Dialysis Unit, Ospedale Civile, Imola; lNephrology and Dialysis Unit, Policlinico Universitario Mater Domini, Catanzaro, Italy; mEpidemiology Department, High Institute of Public Health - Alexandria University, Egypt
                Article
                355797 Kidney Blood Press Res 2014;39:197-204
                10.1159/000355797
                25118055
                © 2014 S. Karger AG, Basel

                Open Access License: This is an Open Access article licensed under the terms of the Creative Commons Attribution-NonCommercial 3.0 Unported license (CC BY-NC) ( http://www.karger.com/OA-license), applicable to the online version of the article only. Distribution permitted for non-commercial purposes only. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                Page count
                Pages: 8
                Categories
                Original Paper

                Cardiovascular Medicine, Nephrology

                Outcome study, Dialysis, Deambulation, Physical exercise, Mortality

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