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Keywords: Nephrology
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Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2011) 119 (4): c310–c316.
Published Online: 19 October 2011
... be performed and how to critically appraise them, based on an example from the nephrology literature. 19 10 2011 © 2011 S. Karger AG, Basel 2011 Copyright / Drug Dosage / Disclaimer Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced...
Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2011) 119 (3): c255–c260.
Published Online: 14 September 2011
.... Epidemiology Survival analyses Cox regression Nephrology In a previous article in this series we presented the Kaplan-Meier (KM) method to analyze survival data [ 1 ]. The KM method is adequate to explore the survival of populations under investigation, and to test differences in the crude survival...
Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2011) 119 (3): c236–c239.
Published Online: 18 August 2011
... 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. Epidemiology Genetics Nephrology With the success of the Human Genome Project that identified up to 25,000...
Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2011) 119 (3): c195–c199.
Published Online: 11 August 2011
...H.J. Lambers Heerspink; V. Perkovic; D. de Zeeuw The composite of end stage renal disease (ESRD), doubling of serum creatinine and (renal) death, is a frequently used endpoint in randomized clinical trials in nephrology. Doubling of serum creatinine is a well-accepted part of this endpoint because...
Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2011) 119 (1): c83–c88.
Published Online: 15 June 2011
... event. The purpose of this article is to explain the basic concepts of the KM method, to provide some guidance regarding the presentation of the KM results and to discuss some important limitations of this method. To do this, we use a clinical example derived from the nephrology literature. 15 6...
Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2011) 118 (4): c319–c323.
Published Online: 03 February 2011
... from any ideas, methods, instructions or products referred to in the content or advertisements. Sample size Power Study design Epidemiology Statistics Nephrology The sample size is the number of patients or other experimental units that should be included in a study to be able...
Journal Articles
Nephron Clinical Practice (2011) 117 (4): 320–327.
Published Online: 15 October 2010
... renal disease Africa Nephrology Brain drain Health systems Nephrologist to general population ratios in Africa are perhaps the lowest in the world making comprehensive delivery of renal care in this continent extremely challenging. In South Africa, one of the wealthiest nations...
Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2010) 116 (4): c326–c329.
Published Online: 28 July 2010
...Assem K. El-Sherif Professor A.M. El Nahas has recently called for submitting articles concerned with the opposite view in nephrology practice. His call drew attention to several areas of controversy in the art. Also, it brought to mind a question about how an ‘opposite view’ emanates in a practice...
Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2010) 116 (2): c143–c147.
Published Online: 01 June 2010
... Nephrology Bias Confounding by indication Causality Associations The previous paper in this series focused on different types of bias, which was defined as a systematic error in the design or conduct of the study. Confounding is something different, although some consider it a special type...
Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2010) 114 (1): c1–c4.
Published Online: 01 October 2009
... Nephrology Study design In the previous paper, we discussed the cohort study design [ 1 ]. In cohort studies, much effort is devoted to the follow-up of subjects who remain free of the disease of interest, as usually only a minority of the study population actually develop the disease. Case-control...
Journal Articles
Subject Area:
Nephrology
Nephron Clinical Practice (2009) 113 (3): c214–c217.
Published Online: 18 August 2009
... should be prevented whenever possible, but still can exert unknown effects in unknown directions. If one is aware of this, cohort studies can form a potent study design in nephrology producing, in general, highly generalizable results. 18 8 2009 © 2009 S. Karger AG, Basel 2009 Copyright...