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Open Access 01-12-2021 | Tuberculosis | Research

Time and risk factors for death among smear-positive pulmonary tuberculosis patients in the Health District of commune VI of Bamako, Mali, 2016

Authors: Yaya Ballayira, Pauline Kiswendsida Yanogo, Bakary Konaté, Fadima Diallo, Bernard Sawadogo, Simon Antara, Nicolas Méda

Published in: BMC Public Health | Issue 1/2021

Abstract

Background

The End Tuberculosis (TB) Strategy aims to achieve 90% reduction of deaths due to TB by 2030, compared with 2015. Mortality due to tuberculosis in Mali was 13 per 100,000 inhabitants in 2014 and 11 per 100,000 inhabitants in 2017. Risk factors for death are not known. The objective of this study was to determine the time and risk factors for death in pulmonary TB patients with positive microscopy.

Methods

We conducted a retrospective cohort study from October to December 2016 in Commune VI of Bamako. Smear positive cases pulmonary tuberculosis from 2011 to 2015 were included. We reviewed the treatment registers and collected sociodemographic, clinical, biological and therapeutic data. Median time to death and hazard ratio (HR) were estimated by the Kaplan-Meier method and a Cox regression model, respectively.

Results

In total, we analysed 1362 smear positive cases of pulmonary TB including 104 (8%) HIV positive and 90 (7%) deaths. The mean age was 36 ± 13 years, the sex ratio of males to females was 2:1. Among the deaths, 48 (53%) occurred during the first 2 months of treatment. Age ≥ 45 years (HR 2.09 95% CI [1.35–3.23]), weight < 40 kg (HR 2.20 95% CI [1.89–5.42]), HIV unknown status (HR 1.96, 95% CI [1.04–3.67]) and HIV-positive (HR 7.10 95% CI [3.53–14.26]) were significantly associated with death.

Conclusions

The median time to death was 2 months from the start of treatment. Independent risk factors for death were age ≥ 45 years, weight < 40 kg, unknown and positive HIV status. We recommend close monitoring of patients over 45 years, HIV testing in those with unknown status, an adequate care for positive HIV status, as well as a nutritional support for those with weight below 40 kg during the intensive phase of TB treatment.

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Title: Time and risk factors for death among smear-positive pulmonary tuberculosis patients in the Health District of commune VI of Bamako, Mali, 2016
Authors: Yaya Ballayira
Pauline Kiswendsida Yanogo
Bakary Konaté
Fadima Diallo
Bernard Sawadogo
Simon Antara
Nicolas Méda
Publication date: 01-12-2021
Publisher: BioMed Central
Keywords: Tuberculosis
Tuberculosis
Human Immunodeficiency Virus
Published in: BMC Public Health / Issue 1/2021
Electronic ISSN: 1471-2458
DOI: https://doi.org/10.1186/s12889-021-10986-4

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Time and risk factors for death among smear-positive pulmonary tuberculosis patients in the Health District of commune VI of Bamako, Mali, 2016

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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