Abstract

This paper aims to analyze the trend of tuberculosis (TB) in Brazilian indigenous people from 2011 to 2017. This ecological study was carried out with all new TB cases in indigenous people reported in the Notifiable Diseases Information System during the 2011-2017 period. Thematic maps were prepared to monitor the spatial-temporal evolution of TB in the indigenous population each year, and the Prais-Winsten generalized linear regression model was used to analyze the trend. A total of 6,520 TB cases were reported in indigenous people during the study period. The overall incidence of TB in Brazilian indigenous people for the period was 109/100,000 inhabitants. In the analysis by region of the country, the highest incidence occurred in the Midwest, North, and Southeast regions. In the UF analysis, the highest incidence was found in Mato Grosso, São Paulo, Rondônia, Mato Grosso do Sul, Acre, Maranhão, Pará, and Rio de Janeiro. The trend of the disease in the indigenous was stable both in the country and in most of its regions and UFs. TB disproportionately affects Brazilian indigenous people, and this study can contribute to the elaboration and strengthening of more specific control actions by identifying priority regions and UFs.

Highlights

  • Tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis, and, it is curable when appropriate treatment is implemented, it is still a serious global public health problem

  • A total of 608,701 TB cases were reported in Brazil during the 2011-2017 period, with 554,551 cases in other ethnicities/skin color (91.1%), and 6,520 cases in indigenous people (1.1%)

  • In the analysis by UF, the highest levels of incidence were found in Mato Grosso (303.6 ± 146.0), São Paulo (202.0 ± 79.5), Rondônia (201.5 ± 65.3), Mato Grosso do Sul (191.4 ± 49.9), Acre (172.3 ± 36.2), Maranhão (168.1 ± 17.9), Pará (165.5 ± 38.0) and Rio de Janeiro (152.1 ± 37.6) (Table 1)

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Summary

Introduction

Tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis, and, it is curable when appropriate treatment is implemented, it is still a serious global public health problem. In 2017, 10 million people became ill with TB worldwide. 1.3 million died due to complications of the disease[1]. A total of 69,569 new TB cases were reported in Brazil in 2017. The incidence rate was 33.5/100 thousand inhabitants. In 2016, 4,426 TB deaths were recorded, resulting in a mortality rate of 2.1/100 thousand inhabitants[2]

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