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Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes

Background Chronic respiratory diseases (CRDs) contribute significantly towards the global burden of disease, but the true prevalence and burden of these conditions in adults is unknown in the majority of low- and middle-income countries (LMICs). We aimed to identify strategies - in particular the d...

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Main Authors:	Hanafi, Nik Sherina, Agarwal, Dhiraj, Chippagiri, Soumya, Brakema, Evelyn A., Pinnock, Hilary, Sheikh, Aziz, Liew, Su-May, Ng, Chiu-Wan, Isaac, Rita, Chinna, Karuthan, Wong, Li Ping, Hussein, Norita, Abu Bakar, Ahmad Ihsan, Pang, Yong-Kek, Juvekar, Sanjay, Khoo, Ee Ming, Collaborators, RESPIRE
Format:	Article
Published:	University of Edinburgh 2021
Subjects:	R Medicine R Medicine (General) RB Pathology
Online Access:	http://eprints.um.edu.my/34610/
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spelling	my.um.eprints.346102022-05-30T07:03:23Z http://eprints.um.edu.my/34610/ Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes Hanafi, Nik Sherina Agarwal, Dhiraj Chippagiri, Soumya Brakema, Evelyn A. Pinnock, Hilary Sheikh, Aziz Liew, Su-May Ng, Chiu-Wan Isaac, Rita Chinna, Karuthan Wong, Li Ping Hussein, Norita Abu Bakar, Ahmad Ihsan Pang, Yong-Kek Juvekar, Sanjay Khoo, Ee Ming Collaborators, RESPIRE R Medicine R Medicine (General) RB Pathology Background Chronic respiratory diseases (CRDs) contribute significantly towards the global burden of disease, but the true prevalence and burden of these conditions in adults is unknown in the majority of low- and middle-income countries (LMICs). We aimed to identify strategies - in particular the definitions, study designs, sampling frames, instruments, and outcomes - used to conduct prevalence surveys for CRDs in LMICs. The findings will inform a future RESPIRE Four Country ChrOnic Respiratory Disease (4CCORD) study, which will estimate CRD prevalence, including disease burden, in adults in LMICs. Methods We conducted a scoping review to map prevalence surveys conducted in LMICs published between 1995 and 2018. We followed Arksey and O'Malley's six-step framework. The search was conducted in OVID Medline, EMBASE, ISI Web of Science, Global Health, WHO Global Index Medicus and included three domains: CRDs, prevalence and LMICs. After an initial title sift, eight trained reviewers undertook duplicate study selection and data extraction. We charted: country and populations, random sampling strategies, CRD definitions/phenotypes, survey procedure (questionnaires, spirometry, tests), outcomes and assessment of individual, societal and health service burden of disease. Results Of 36 872 citations, 281 articles were included: 132 from Asia (41 from China). Study designs were cross-sectional surveys (n = 260), cohort studies (n = 11) and secondary data analysis (n= 10). The number of respondents in these studies ranged from 50 to 512 891. Asthma was studied in 144 studies, chronic obstructive pulmonary disease (COPD) in 112. Most studies (100/144) based identification of asthma on symptom-based questionnaires. In contrast, COPD diagnosis was typically based on spirometry findings (94/112); 65 used fixed-ratio thresholds, 29 reported fixed-ratio and lower-limit-of-normal values. Only five articles used the term `phenotype'. Most studies used questionnaires derived from validated surveys, most commonly the European Community Respiratory Health Survey (n = 47). The burden/impact of CRD was reported in 33 articles (most commonly activity limitation). Conclusion Surveys remain the most practical approach for estimating prevalence of CRD but there is a need to identify the most predictive questions for diagnosing asthma and to standardise diagnostic criteria. University of Edinburgh 2021 Article PeerReviewed Hanafi, Nik Sherina and Agarwal, Dhiraj and Chippagiri, Soumya and Brakema, Evelyn A. and Pinnock, Hilary and Sheikh, Aziz and Liew, Su-May and Ng, Chiu-Wan and Isaac, Rita and Chinna, Karuthan and Wong, Li Ping and Hussein, Norita and Abu Bakar, Ahmad Ihsan and Pang, Yong-Kek and Juvekar, Sanjay and Khoo, Ee Ming and Collaborators, RESPIRE (2021) Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes. Journal of Global Health, 11. ISSN 2047-2978, DOI https://doi.org/10.7189/jogh.11.04026 <https://doi.org/10.7189/jogh.11.04026>. 10.7189/jogh.11.04026
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	R Medicine R Medicine (General) RB Pathology
spellingShingle	R Medicine R Medicine (General) RB Pathology Hanafi, Nik Sherina Agarwal, Dhiraj Chippagiri, Soumya Brakema, Evelyn A. Pinnock, Hilary Sheikh, Aziz Liew, Su-May Ng, Chiu-Wan Isaac, Rita Chinna, Karuthan Wong, Li Ping Hussein, Norita Abu Bakar, Ahmad Ihsan Pang, Yong-Kek Juvekar, Sanjay Khoo, Ee Ming Collaborators, RESPIRE Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes
description	Background Chronic respiratory diseases (CRDs) contribute significantly towards the global burden of disease, but the true prevalence and burden of these conditions in adults is unknown in the majority of low- and middle-income countries (LMICs). We aimed to identify strategies - in particular the definitions, study designs, sampling frames, instruments, and outcomes - used to conduct prevalence surveys for CRDs in LMICs. The findings will inform a future RESPIRE Four Country ChrOnic Respiratory Disease (4CCORD) study, which will estimate CRD prevalence, including disease burden, in adults in LMICs. Methods We conducted a scoping review to map prevalence surveys conducted in LMICs published between 1995 and 2018. We followed Arksey and O'Malley's six-step framework. The search was conducted in OVID Medline, EMBASE, ISI Web of Science, Global Health, WHO Global Index Medicus and included three domains: CRDs, prevalence and LMICs. After an initial title sift, eight trained reviewers undertook duplicate study selection and data extraction. We charted: country and populations, random sampling strategies, CRD definitions/phenotypes, survey procedure (questionnaires, spirometry, tests), outcomes and assessment of individual, societal and health service burden of disease. Results Of 36 872 citations, 281 articles were included: 132 from Asia (41 from China). Study designs were cross-sectional surveys (n = 260), cohort studies (n = 11) and secondary data analysis (n= 10). The number of respondents in these studies ranged from 50 to 512 891. Asthma was studied in 144 studies, chronic obstructive pulmonary disease (COPD) in 112. Most studies (100/144) based identification of asthma on symptom-based questionnaires. In contrast, COPD diagnosis was typically based on spirometry findings (94/112); 65 used fixed-ratio thresholds, 29 reported fixed-ratio and lower-limit-of-normal values. Only five articles used the term `phenotype'. Most studies used questionnaires derived from validated surveys, most commonly the European Community Respiratory Health Survey (n = 47). The burden/impact of CRD was reported in 33 articles (most commonly activity limitation). Conclusion Surveys remain the most practical approach for estimating prevalence of CRD but there is a need to identify the most predictive questions for diagnosing asthma and to standardise diagnostic criteria.
format	Article
author	Hanafi, Nik Sherina Agarwal, Dhiraj Chippagiri, Soumya Brakema, Evelyn A. Pinnock, Hilary Sheikh, Aziz Liew, Su-May Ng, Chiu-Wan Isaac, Rita Chinna, Karuthan Wong, Li Ping Hussein, Norita Abu Bakar, Ahmad Ihsan Pang, Yong-Kek Juvekar, Sanjay Khoo, Ee Ming Collaborators, RESPIRE
author_facet	Hanafi, Nik Sherina Agarwal, Dhiraj Chippagiri, Soumya Brakema, Evelyn A. Pinnock, Hilary Sheikh, Aziz Liew, Su-May Ng, Chiu-Wan Isaac, Rita Chinna, Karuthan Wong, Li Ping Hussein, Norita Abu Bakar, Ahmad Ihsan Pang, Yong-Kek Juvekar, Sanjay Khoo, Ee Ming Collaborators, RESPIRE
author_sort	Hanafi, Nik Sherina
title	Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes
title_short	Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes
title_full	Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes
title_fullStr	Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes
title_full_unstemmed	Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes
title_sort	chronic respiratory disease surveys in adults in low- and middle-income countries: a systematic scoping review of methodological approaches and outcomes
publisher	University of Edinburgh
publishDate	2021
url	http://eprints.um.edu.my/34610/
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score	13.211869

Chronic respiratory disease surveys in adults in low- and middle-income countries: A systematic scoping review of methodological approaches and outcomes

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