Death-specific rate due to asthma and chronic obstructive pulmonary disease in Iran

Varmaghani, M. and Kebriaeezadeh, A. and Sharifi, F. and Sheidaei, A. and Rashidian, A. and Moradi-Lakeh, M. and Naghshin, R. and Moin, M. and Mehdipour, P. and Heidari, E. and Gohari, K. and Rezaei, N. and Haghshenas, R. and Kompani, F. and Farzadfar, F. (2018) Death-specific rate due to asthma and chronic obstructive pulmonary disease in Iran. Clinical Respiratory Journal.

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Background and objective: Asthma and chronic obstructive pulmonary disease (COPD) could be considered as a major health problem in industrialized and developing countries. This study was designed to analyze the trends of mortality from asthma and COPD at national and subnational levels in Iran based on National Death Registry, from 2001 to 2015. Materials and methods: We used Death Registration System (DRS) as the basic source of data. Death Registration System data were available from 1995 to 2010 in Iran's Ministry of Health. Although, Tehran and Isfahan, 2 most populated cities in Iran, had independent death registry systems in their cemeteries, by combining their data we achieved more comprehensive and representative data on death among Iranian people. We addressed incompleteness and misclassification of death registry system using demographic and statistical methods. We also employed spatio-temporal and Gaussian process regression to extrapolate and interpolate mortality rates for the missing data. Results: Age-standardized asthma mortality rate was 7.2 (5.6-9.2) in females and 8.8 (6.9-11.1) in males at the national level in 2015. Age-standardized COPD mortality rates in females and males, respectively, were 8.46 (6.6-10.9) and 12.38 (9.8-15.6) during the studied years. A reduction in age-standardized asthma mortality was observed during the period of study. In addition, the trend of COPD mortality was increasing. Conclusions: It seems that mortality rate attributable to COPD has risen during the past 15 years in Iran. It could have increased because of increased exposure of people to related risk factors such as air pollution which is a common problem in larger cities and border provinces. © 2018 John Wiley & Sons Ltd.

Item Type: Article
Additional Information: cited By 0; Article in Press
Depositing User: eprints admin
Date Deposited: 01 Jul 2018 04:05
Last Modified: 01 Jul 2018 04:05

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