The Quality of Randomized Controlled Trial in Cochrane Kidney and Transplant Group

Objective:Misconduct is one of the important issues in research integrity. Cochrane systematic reviews are known for their best level of evidence. Since kidney failure is a major public health problem worldwide, the Cochrane Library provides a robust and reliable database to upgrade medical knowledg...

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Main Authors: Hanieh Salehi-Pourmehr, Ali Mostafaei, Amir Mehdizadeh, Sakineh Hajebrahimi, Leila Hosseini, Zahra Sheikhalipour, Nasrin Abolhasanpour
Format: Article
Language:English
Published: Galenos Yayinevi 2021-12-01
Series:Journal of Urological Surgery
Subjects:
Online Access: http://jurolsurgery.org/archives/archive-detail/article-preview/the-quality-of-randomized-controlled-trial-in-coch/50472
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author Hanieh Salehi-Pourmehr
Ali Mostafaei
Amir Mehdizadeh
Sakineh Hajebrahimi
Leila Hosseini
Zahra Sheikhalipour
Nasrin Abolhasanpour
author_facet Hanieh Salehi-Pourmehr
Ali Mostafaei
Amir Mehdizadeh
Sakineh Hajebrahimi
Leila Hosseini
Zahra Sheikhalipour
Nasrin Abolhasanpour
author_sort Hanieh Salehi-Pourmehr
collection DOAJ
description Objective:Misconduct is one of the important issues in research integrity. Cochrane systematic reviews are known for their best level of evidence. Since kidney failure is a major public health problem worldwide, the Cochrane Library provides a robust and reliable database to upgrade medical knowledge and make the best medical decisions. Therefore, this study aimed to assess the quality of randomized controlled trials (RCTs) that are included in the Cochrane systematic reviews of kidney and transplant groups.Materials and Methods:This analytic cross-sectional study was conducted on systematic reviews of kidney and transplant group of Cochrane reviews. All types of biases in the understudied RCTs or quasi-RCTs of these systematic reviews were evaluated using the Cochrane appraisal checklist. The types of biases in included studies were also separated and stratified. Descriptive statistics were used for data analysis using the Statistical Package for the Social Sciences 16.Results:A total of 267 systematic reviews and their understudied 3213 RCTs were evaluated. In the kidney and transplant group, the highest risk of bias was seen in allocation concealment bias, whereas the most common bias was unclear allocation concealment (selection bias). From 2008 to 2009, high random sequence generation bias has dramatically increased, and after decreasing, the gradual growth has been continuing over time. Furthermore, the low detection bias has reduced surprisingly in 2011 then decreased in 2012-2013.Conclusion:Regarding high risks of performance and random sequence generation biases in understudied RCTs, critical structure deficiencies were obvious. Therefore, observing integrity principles to prevent research misconduct is recommended.
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spelling doaj.art-17c3df1260b94148ba74b9282b9e2e8f2023-02-15T16:17:41ZengGalenos YayineviJournal of Urological Surgery2148-95802021-12-018426628710.4274/jus.galenos.2021.2021.003013049054The Quality of Randomized Controlled Trial in Cochrane Kidney and Transplant GroupHanieh Salehi-Pourmehr0Ali Mostafaei1Amir Mehdizadeh2Sakineh Hajebrahimi3Leila Hosseini4Zahra Sheikhalipour5Nasrin Abolhasanpour6 Research Center for Evidence-based Medicine, Iranian EBM Centre: A Joanna Briggs Institute (JBI) Center of Excellence, Tabriz University of Medical Sciences, Tabriz, Iran Nikoukari Ophthalmology University Hospital, Tabriz University of Medical Sciences, Tabriz, Iran Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran Research Center for Evidence-based Medicine, Iranian EBM Centre: A Joanna Briggs Institute (JBI) Center of Excellence, Tabriz University of Medical Sciences, Tabriz, Iran Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran Department of Medical‐Surgical Nursing, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran Research Center for Evidence-based Medicine, Iranian EBM Centre: A Joanna Briggs Institute (JBI) Center of Excellence, Tabriz University of Medical Sciences, Tabriz, Iran Objective:Misconduct is one of the important issues in research integrity. Cochrane systematic reviews are known for their best level of evidence. Since kidney failure is a major public health problem worldwide, the Cochrane Library provides a robust and reliable database to upgrade medical knowledge and make the best medical decisions. Therefore, this study aimed to assess the quality of randomized controlled trials (RCTs) that are included in the Cochrane systematic reviews of kidney and transplant groups.Materials and Methods:This analytic cross-sectional study was conducted on systematic reviews of kidney and transplant group of Cochrane reviews. All types of biases in the understudied RCTs or quasi-RCTs of these systematic reviews were evaluated using the Cochrane appraisal checklist. The types of biases in included studies were also separated and stratified. Descriptive statistics were used for data analysis using the Statistical Package for the Social Sciences 16.Results:A total of 267 systematic reviews and their understudied 3213 RCTs were evaluated. In the kidney and transplant group, the highest risk of bias was seen in allocation concealment bias, whereas the most common bias was unclear allocation concealment (selection bias). From 2008 to 2009, high random sequence generation bias has dramatically increased, and after decreasing, the gradual growth has been continuing over time. Furthermore, the low detection bias has reduced surprisingly in 2011 then decreased in 2012-2013.Conclusion:Regarding high risks of performance and random sequence generation biases in understudied RCTs, critical structure deficiencies were obvious. Therefore, observing integrity principles to prevent research misconduct is recommended. http://jurolsurgery.org/archives/archive-detail/article-preview/the-quality-of-randomized-controlled-trial-in-coch/50472 risk of biasrandomized controlled trialcochranesystematic review
spellingShingle Hanieh Salehi-Pourmehr
Ali Mostafaei
Amir Mehdizadeh
Sakineh Hajebrahimi
Leila Hosseini
Zahra Sheikhalipour
Nasrin Abolhasanpour
The Quality of Randomized Controlled Trial in Cochrane Kidney and Transplant Group
Journal of Urological Surgery
risk of bias
randomized controlled trial
cochrane
systematic review
title The Quality of Randomized Controlled Trial in Cochrane Kidney and Transplant Group
title_full The Quality of Randomized Controlled Trial in Cochrane Kidney and Transplant Group
title_fullStr The Quality of Randomized Controlled Trial in Cochrane Kidney and Transplant Group
title_full_unstemmed The Quality of Randomized Controlled Trial in Cochrane Kidney and Transplant Group
title_short The Quality of Randomized Controlled Trial in Cochrane Kidney and Transplant Group
title_sort quality of randomized controlled trial in cochrane kidney and transplant group
topic risk of bias
randomized controlled trial
cochrane
systematic review
url http://jurolsurgery.org/archives/archive-detail/article-preview/the-quality-of-randomized-controlled-trial-in-coch/50472
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