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Delayed diagnosis and treatment of pulmonary tuberculosis in high-burden countries: a systematic review protocol.


ABSTRACT:

Introduction

Countries identified to bear the highest tuberculosis (TB) incidence account for approximately 85% of the global TB burden. TB is curable, yet nearly 40% of TB cases remained undiagnosed hence delaying treatment and perpetuating transmission. This systematic review aimed to review current evidence on factors associated with delayed diagnosis and treatment of TB in the high TB-burden countries.

Methods and analysis

This systematic review will incorporate qualitative and observational study designs published between 2008 and 2018. Articles will be retrieved from major databases including PubMed, EMBASE, CINAHL and PsycINFO. Reference lists of key articles, including relevant systematic reviews and meta-analysis, will be screened for additional studies. Two independent reviewers will screen and select studies, extract data and assess the quality and risk of bias of each study. Study-specific estimates will be pooled by meta-analysis, and effect sizes will be presented as OR and their 95% CI. Levels of heterogeneity will be evaluated using chi-square statistic Q and I2. Publication bias will be assessed using forest plots and Egger's tests. Qualitative findings and sample quotes will be extracted. Textual references to the topics of interest will be retrieved and categorised using qualitative thematic analysis. We will triangulate quantitative and qualitative findings for a complete understanding of the reasons for delayed TB diagnosis and treatment. Results will be presented by geographical region.

Ethics and dissemination

This study will be conducted based on published data. This systematic review may provide insights into the reasons for delayed TB diagnosis in high-burden countries. These findings will also inform future research and key stakeholders in developing interventions to reach these undiagnosed cases effectively. Findings from this review will be published in a peer-reviewed journal.

Prospero registration number

CRD42018107237.

SUBMITTER: Teo AKJ 

PROVIDER: S-EPMC6629411 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Publications

Delayed diagnosis and treatment of pulmonary tuberculosis in high-burden countries: a systematic review protocol.

Teo Alvin Kuo Jing AKJ   Singh Shweta R SR   Prem Kiesha K   Hsu Li Yang LY   Yi Siyan S  

BMJ open 20190709 7


<h4>Introduction</h4>Countries identified to bear the highest tuberculosis (TB) incidence account for approximately 85% of the global TB burden. TB is curable, yet nearly 40% of TB cases remained undiagnosed hence delaying treatment and perpetuating transmission. This systematic review aimed to review current evidence on factors associated with delayed diagnosis and treatment of TB in the high TB-burden countries.<h4>Methods and analysis</h4>This systematic review will incorporate qualitative an  ...[more]

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