Prevalence of Asthma, COPD, and Chronic Bronchitis in Iran: A Systematic Review and Meta-analysis

In this study, we aimed to conduct a meta-analysis on the results of eligible studies to estimate the prevalence of asthma, COPD, and Chronic bronchitis in Iran. International and Iranian databases including PubMed, Scopus, Web of Science, Iranmedex, and scientific information database (SID) were s...

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Main Authors: Mehdi Varmaghani, Farshad Farzadfar, Farshad Sharifi, Arash Rashidian, Mostafa Moin, Maziar Moradi-Lakeh, Shadi Rahimzadeh, Sahar saeedi Moghaddam, Abbas Kebriaeezadeh
Format: Article
Language:English
Published: Tehran University of Medical Sciences 2016-04-01
Series:Iranian Journal of Allergy, Asthma and Immunology
Subjects:
Online Access:https://ijaai.tums.ac.ir/index.php/ijaai/article/view/636
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author Mehdi Varmaghani
Farshad Farzadfar
Farshad Sharifi
Arash Rashidian
Mostafa Moin
Maziar Moradi-Lakeh
Shadi Rahimzadeh
Sahar saeedi Moghaddam
Abbas Kebriaeezadeh
spellingShingle Mehdi Varmaghani
Farshad Farzadfar
Farshad Sharifi
Arash Rashidian
Mostafa Moin
Maziar Moradi-Lakeh
Shadi Rahimzadeh
Sahar saeedi Moghaddam
Abbas Kebriaeezadeh
Prevalence of Asthma, COPD, and Chronic Bronchitis in Iran: A Systematic Review and Meta-analysis
Iranian Journal of Allergy, Asthma and Immunology
Asthma
Chronic bronchitis
Iran
Meta-analysis
Prevalence
Systematic review
author_facet Mehdi Varmaghani
Farshad Farzadfar
Farshad Sharifi
Arash Rashidian
Mostafa Moin
Maziar Moradi-Lakeh
Shadi Rahimzadeh
Sahar saeedi Moghaddam
Abbas Kebriaeezadeh
author_sort Mehdi Varmaghani
title Prevalence of Asthma, COPD, and Chronic Bronchitis in Iran: A Systematic Review and Meta-analysis
title_short Prevalence of Asthma, COPD, and Chronic Bronchitis in Iran: A Systematic Review and Meta-analysis
title_full Prevalence of Asthma, COPD, and Chronic Bronchitis in Iran: A Systematic Review and Meta-analysis
title_fullStr Prevalence of Asthma, COPD, and Chronic Bronchitis in Iran: A Systematic Review and Meta-analysis
title_full_unstemmed Prevalence of Asthma, COPD, and Chronic Bronchitis in Iran: A Systematic Review and Meta-analysis
title_sort prevalence of asthma, copd, and chronic bronchitis in iran: a systematic review and meta-analysis
publisher Tehran University of Medical Sciences
series Iranian Journal of Allergy, Asthma and Immunology
issn 1735-1502
1735-5249
publishDate 2016-04-01
description In this study, we aimed to conduct a meta-analysis on the results of eligible studies to estimate the prevalence of asthma, COPD, and Chronic bronchitis in Iran. International and Iranian databases including PubMed, Scopus, Web of Science, Iranmedex, and scientific information database (SID) were searched for population–based studies that had reported the prevalence of asthma and COPD from 1990 to 2015. We conducted the meta-analysis using metaprop application of Stata statistical software. I-Squared was used for calculating heterogeneity among the studies. To determine causes of heterogeneity, subgroup analysis and meta-regression method were used. Based on the results of random effect method, the overall prevalence of asthma ever was 4.56% (3.76%-5.36%) among men while it was 4.17% (3.42%-4.91%) among women. Pooled prevalence of current asthma was 7.95% while confidence interval changed from 5.85% to 10.06% (men 5.83% (2.75%-8.92%), women 9.13% (3.35%-14.94%)). Also based on the results of random effect model pooled prevalence of chronic bronchitis of five studies was 5.57%. It seems that the total crude prevalence of current asthma in Iran is less than many other countries such as Kuwait, Lebanon, Thailand, Japan, Australia and Germany and is higher than some other countries such as Oman, Pakistan, South Korea, India, China, Taiwan, Indonesia, Spain, Russia, and Greece. On the other hand, Iran is in middle situation in terms of the prevalence current asthma. Our results can fill the information and knowledge gaps about the status of the prevalence of respiratory diseases in Iran.
topic Asthma
Chronic bronchitis
Iran
Meta-analysis
Prevalence
Systematic review
url https://ijaai.tums.ac.ir/index.php/ijaai/article/view/636
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spelling doaj-8bd6241ff2b04edfb9e05fee9b649d442020-11-25T04:12:40ZengTehran University of Medical SciencesIranian Journal of Allergy, Asthma and Immunology1735-15021735-52492016-04-01152598Prevalence of Asthma, COPD, and Chronic Bronchitis in Iran: A Systematic Review and Meta-analysisMehdi Varmaghani0Farshad Farzadfar1Farshad Sharifi2Arash Rashidian3Mostafa Moin4Maziar Moradi-Lakeh5Shadi Rahimzadeh6Sahar saeedi Moghaddam7Abbas Kebriaeezadeh8Department of Pharmacoeconomics and Pharmaceutical Administration, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran AND Non-Communicable Disease Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran AND Pharmaceutical Management and Economic Research Center (PMERC), Tehran University of Medical Sciences, Tehran, IranNon-Communicable Disease Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran AND Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, IranNon-Communicable Disease Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran AND Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran university of Medical Sciences, Tehran, IranDepartment of Health Management and Economics, School of Public Health, Tehran, Iran AND Knowledge Utilization Research Center, Tehran University of Medical Sciences, Tehran, IranImmunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, IranCommunity Medicine Department, Iran University of Medical Sciences, Tehran, IranNon-Communicable Disease Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran AND Department of Epidemiology, Shahid Beheshti University of Medical Sciences, Tehran, IranNon-Communicable Disease Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran AND Department of Biostatistics, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, IranDepartment of Pharmacoeconomics and Pharmaceutical Administration, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran AND Pharmaceutical Management and Economic Research Center (PMERC), Tehran University of Medical Sciences, Tehran, Iran In this study, we aimed to conduct a meta-analysis on the results of eligible studies to estimate the prevalence of asthma, COPD, and Chronic bronchitis in Iran. International and Iranian databases including PubMed, Scopus, Web of Science, Iranmedex, and scientific information database (SID) were searched for population–based studies that had reported the prevalence of asthma and COPD from 1990 to 2015. We conducted the meta-analysis using metaprop application of Stata statistical software. I-Squared was used for calculating heterogeneity among the studies. To determine causes of heterogeneity, subgroup analysis and meta-regression method were used. Based on the results of random effect method, the overall prevalence of asthma ever was 4.56% (3.76%-5.36%) among men while it was 4.17% (3.42%-4.91%) among women. Pooled prevalence of current asthma was 7.95% while confidence interval changed from 5.85% to 10.06% (men 5.83% (2.75%-8.92%), women 9.13% (3.35%-14.94%)). Also based on the results of random effect model pooled prevalence of chronic bronchitis of five studies was 5.57%. It seems that the total crude prevalence of current asthma in Iran is less than many other countries such as Kuwait, Lebanon, Thailand, Japan, Australia and Germany and is higher than some other countries such as Oman, Pakistan, South Korea, India, China, Taiwan, Indonesia, Spain, Russia, and Greece. On the other hand, Iran is in middle situation in terms of the prevalence current asthma. Our results can fill the information and knowledge gaps about the status of the prevalence of respiratory diseases in Iran. https://ijaai.tums.ac.ir/index.php/ijaai/article/view/636AsthmaChronic bronchitisIranMeta-analysisPrevalenceSystematic review