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Arch Iran Med. 2020;23(5): 302-311.
doi: 10.34172/aim.2020.19
  Abstract View: 250
  PDF Download: 124

Original Article

Trend of Appendicitis Mortality at National and Provincial Levels in Iran from 1990 to 2015

Seyed Mohammad Piri 1,2, Sahar Saeedi Moghaddam 3,4, Zahra Ghodsi 1 * , Moein Yoosefi 3, Nazila Rezaei 3, Soheil Saadat 1, Anita Mansouri 3, Mahdi Sharif-Alhoseini 1, Payman Salamati 1, Seyed Behzad Jazayeri 5,6, Alireza Khajavi 4,7, Maziar Moradi Lakeh 8, Ali H. Mokdad 9, Gerard O’Reilly 10, Vafa Rahimi-Movaghar 1 *

1 Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
2 Students’ Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
3 Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
4 Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
5 Department of Surgery, Kaiser Permanente Fontana Medical Center, Fontana, CA, USA
6 Arrowhead Regional Medical Center, Department of Surgery, Colton, CA, USA
7 Student Research Committee, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
8 Preventive Medicine and Public Health Research Center, Iran University of Medical Sciences, Tehran, Iran
9 Institute for Health Metrics and Evaluation, University of Washington, Washington, USA
10 Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
*Corresponding Authors:Vafa Rahimi-Movaghar, MD; Professor of Neurosurgery, Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran. Address: Sina Trauma and Surgery Research Center, Sina Hospital, Hassan-Abad Square, Imam Khomeini Ave, Tehran, 11365-3876, Iran. Phone: +98-216 6757003, Fax: +98-216 6757009; Email: v_rahimi@sina.tums.ac.ir, v_rahimi@yahoo.com Zahra Ghodsi, PhD; Post doctorate Candidate, Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran. Address: Sina Trauma and Surgery Research Center, Sina Hospital, Hassan-Abad Square, Imam Khomeini Ave, Tehran, 11365-3876, Iran. Phone: +98-216 6757003, Fax: +98-216 6757009; Email: Ghodsi2003@razi.tums.ac.ir, Ghodsi2003@yahoo.com

Abstract

Background: Appendicitis is one of the most preventable causes of death worldwide. We aimed to determine the trend of mortality due to appendicitis by sex and age at national and provincial levels in Iran during 26 years.

Methods: Data were collected from Iran Death Registration System (DRS), cemetery databanks in Tehran and Esfahan, and the national population and housing censuses of Iran. The estimated population was determined for each group from 1990 to 2015 using a growth model. Incompleteness, misalignment, and misclassification in the DRS were addressed and multiple imputation methods were used for dealing with missing data. ICD-10 codes were converted to Global Burden of Disease (GBD) codes to allow comparison of the results with the GBD study. A Spatio-Temporal model and Gaussian Process Regression were used to predict the levels and trends in child and adult mortality rates, as well as cause fractions.

Results: From 1990 to 2015, 6,982 deaths due to appendicitis were estimated in Iran. The age-standardized mortality rate per 100000 decreased from 0.72 (95% UI: 0.46–1.12) in 1990 to 0.11 (0.07–0.16) in 2015, a reduction of 84.72% over the course of 26 years. The male: female ratio was 1.13 during the 26 years of the study with an average annual percent change of -2.31% for women and -2.63% for men. Among men and women, appendicitis mortality rate had the highest magnitude of decline in the province of Zanjan and the lowest in the province of Hormozgan. In 1990, the lowest age-standardized appendicitis-related mortality was observed in both women and men in the province of Alborz and the highest mortality rate among men were observed in the province of Lorestan. In 2015, the lowest mortality rates in women and men were in the province of Tehran. The highest mortality rates in women were in Hormozgan, and in men were in Golestan province.

Conclusion: The mortality rate due to appendicitis has declined at national and provincial levels in Iran. Understanding the causes of differences across provinces and the trend over years can be useful in priority setting for policy makers to inform preventive actions to further decrease mortality from appendicitis.

Keywords: Appendicitis, Iran, Mortaity, Trend
Cite this article as: Piri SM, Saeedi Moghaddam S, Ghodsi Z, Yoosefi M, Rezaei N, Saadat S, et al. Trend of appendicitis mortality at national and provincial levels in Iran from 1990 to 2015. Arch Iran Med. 2020;23(5):302–311. doi: 10.34172/aim.2020.19.
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Submitted: 23 Apr 2019
Accepted: 21 Jan 2020
ePublished: 01 May 2020
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