Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Spatiotemporal analysis of brucellosis incidence in Iran from 2011 to 2014 using GIS

Fri Dec 9 22:49:43 2022

(2018) Spatiotemporal analysis of brucellosis incidence in Iran from 2011 to 2014 using GIS. International Journal of Infectious Diseases. pp. 129-136. ISSN 1201-9712

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Abstract

Objective: To investigate the distribution and trends associated with brucellosis incidence rates in Iran from 2011 to 2014. Methods: The reported incidence rates of brucellosis for the years 2011-2014 were collected and entered into GIS 10.1. The Cochran-Armitage test for linear trends, choropleth maps, hot-spot analysis, and high-low clustering analysis were used to investigate patterns of the disease over the study period and by season, and to identify high-risk areas and any clustering of the disease. The significance level was set at p < 0.05. Results: A total of 68 493 cases of brucellosis were reported during the study period, giving an average brucellosis incidence rate for this period of 38.67/100 000. In 2011, the highest rate of brucellosis was observed in Koohrang County of Chaharmahal-Bakhtiari Province, with 317/100 000. In the subsequent years, 2012-2014, Charuymaq County of East-Azerbaijan Province had incidence rates of 384, 534, and 583/100 000, respectively. However, the incidence rate of the disease did not follow a linear trend (p < 0.001). The maximum and minimum incidence rates of the disease occurred in mid-summer and mid-winter, respectively. The results of the hot-spot analysis showed that the distribution of the disease was highest in the mountainous areas of Iran, particularly along the Zagros mountain range and in most cities near the Zagros Mountains (p < 0.01). In addition, the cluster analysis showed a clustering pattern in these high incidence areas (p < 0.01). Conclusions: There were significant differences in the geographic distribution of brucellosis, with the incidence rates being highest in most of the cities in the west and north-west of the country. The incidence of this disease also increased during the summer. It is important to take these patterns into account when allocating resources to combat this disease and to ensure that health programs and other interventions focus on the areas of greatest need. (c) 2017 The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases. This is an open access article under the CC BY-NC-ND license.

Item Type: Article
Creators:
CreatorsEmail
Pakzad, R.UNSPECIFIED
Pakzad, I.UNSPECIFIED
Safiri, S.UNSPECIFIED
Shirzadi, M. R.UNSPECIFIED
Mohammadpour, M.UNSPECIFIED
Behroozi, A.UNSPECIFIED
Sullman, M. J. M.UNSPECIFIED
Janati, A.UNSPECIFIED
Keywords: Brucellosis GIS Spatiotemporal modeling Hot-spots Cluster pattern Infectious Diseases
Divisions:
Page Range: pp. 129-136
Journal or Publication Title: International Journal of Infectious Diseases
Journal Index: ISI
Volume: 67
Identification Number: https://doi.org/10.1016/j.ijid.2017.10.017
ISSN: 1201-9712
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/127

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