Spatial analysis of tuberculosis in Douala, Cameroon: clustering and links with socio-economic status

SETTING: Douala, the economic capital of Cameroon, with a network of 20 diagnostic and treatment centres for tuberculosis (TB).OBJECTIVE: To describe the spatial distribution of smear-positive pulmonary tuberculosis (PTB) cases in Douala, Cameroon, and to evaluate links between PTB incidence and pat...

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Veröffentlicht in:The international journal of tuberculosis and lung disease 2014-03, Vol.18 (3), p.292-297
Hauptverfasser: Nana Yakam, A., Noeske, J., Dambach, P., Bowong, S., Fono, L. A., Ngatchou-Wandji, J.
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container_issue 3
container_start_page 292
container_title The international journal of tuberculosis and lung disease
container_volume 18
creator Nana Yakam, A.
Noeske, J.
Dambach, P.
Bowong, S.
Fono, L. A.
Ngatchou-Wandji, J.
description SETTING: Douala, the economic capital of Cameroon, with a network of 20 diagnostic and treatment centres for tuberculosis (TB).OBJECTIVE: To describe the spatial distribution of smear-positive pulmonary tuberculosis (PTB) cases in Douala, Cameroon, and to evaluate links between PTB incidence and patients' socio-economic status (SES).DESIGN: Between May 2011 and April 2012, demographic clinical characteristics and global positioning system coordinates for the residence of each consenting PTB case were collected. Spatial scan statistic was used to identify spatial clusters of tuberculosis. SES data were collected by interview during home visits. PTB patients' SES data were compared with those available for the whole urban population from a recent demographic and health survey. The correlation between PTB incidence and the mean SES of the PTB patients was examined by health area (HA).RESULTS: In total, 2132 (84%) diagnosed PTB cases were identified and interviewed. Three statistically significant spatial clusters were identified. High PTB incidence was predominantly found in HAs characterised by low SES.CONCLUSION: There is evidence of clustering of PTB cases in Douala. Clusters are mainly found in neighbourhoods of low SES. Systematic use of cluster detection techniques for regular TB surveillance in Cameroon might aid in the effective deployment of National TB Programme resources.
doi_str_mv 10.5588/ijtld.13.0573
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A. ; Ngatchou-Wandji, J.</creator><creatorcontrib>Nana Yakam, A. ; Noeske, J. ; Dambach, P. ; Bowong, S. ; Fono, L. A. ; Ngatchou-Wandji, J.</creatorcontrib><description>SETTING: Douala, the economic capital of Cameroon, with a network of 20 diagnostic and treatment centres for tuberculosis (TB).OBJECTIVE: To describe the spatial distribution of smear-positive pulmonary tuberculosis (PTB) cases in Douala, Cameroon, and to evaluate links between PTB incidence and patients' socio-economic status (SES).DESIGN: Between May 2011 and April 2012, demographic clinical characteristics and global positioning system coordinates for the residence of each consenting PTB case were collected. Spatial scan statistic was used to identify spatial clusters of tuberculosis. SES data were collected by interview during home visits. PTB patients' SES data were compared with those available for the whole urban population from a recent demographic and health survey. The correlation between PTB incidence and the mean SES of the PTB patients was examined by health area (HA).RESULTS: In total, 2132 (84%) diagnosed PTB cases were identified and interviewed. Three statistically significant spatial clusters were identified. High PTB incidence was predominantly found in HAs characterised by low SES.CONCLUSION: There is evidence of clustering of PTB cases in Douala. Clusters are mainly found in neighbourhoods of low SES. Systematic use of cluster detection techniques for regular TB surveillance in Cameroon might aid in the effective deployment of National TB Programme resources.</description><identifier>ISSN: 1027-3719</identifier><identifier>EISSN: 1815-7920</identifier><identifier>DOI: 10.5588/ijtld.13.0573</identifier><identifier>PMID: 24670564</identifier><language>eng</language><publisher>Paris, France: International Union Against Tuberculosis and Lung Disease</publisher><subject>Applications ; Bacterial diseases ; Bacterial diseases of the respiratory system ; Bacteriological Techniques ; Biological and medical sciences ; Cameroon ; Cameroon - epidemiology ; Cluster Analysis ; Douala ; Human bacterial diseases ; Humans ; Incidence ; Infectious diseases ; Medical sciences ; Mycobacterium ; Mycobacterium tuberculosis - isolation &amp; purification ; Pneumology ; Predictive Value of Tests ; Prospective Studies ; Pulmonary Tb ; Residence Characteristics ; Social Class ; Socio-Economic Status ; Spatial Analysis ; Sputum - microbiology ; Statistics ; Tuberculosis and atypical mycobacterial infections ; Tuberculosis, Pulmonary - diagnosis ; Tuberculosis, Pulmonary - economics ; Tuberculosis, Pulmonary - epidemiology ; Tuberculosis, Pulmonary - microbiology ; Tuberculosis, Pulmonary - transmission ; Urban Health - economics</subject><ispartof>The international journal of tuberculosis and lung disease, 2014-03, Vol.18 (3), p.292-297</ispartof><rights>2015 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c524t-92a8bf1bddefe2df9a3eaa21f44e35e798ab4d3d7565b99de5f682d00abff6c3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=28259613$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24670564$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-01280231$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Nana Yakam, A.</creatorcontrib><creatorcontrib>Noeske, J.</creatorcontrib><creatorcontrib>Dambach, P.</creatorcontrib><creatorcontrib>Bowong, S.</creatorcontrib><creatorcontrib>Fono, L. A.</creatorcontrib><creatorcontrib>Ngatchou-Wandji, J.</creatorcontrib><title>Spatial analysis of tuberculosis in Douala, Cameroon: clustering and links with socio-economic status</title><title>The international journal of tuberculosis and lung disease</title><addtitle>Int J Tuberc Lung Dis</addtitle><description>SETTING: Douala, the economic capital of Cameroon, with a network of 20 diagnostic and treatment centres for tuberculosis (TB).OBJECTIVE: To describe the spatial distribution of smear-positive pulmonary tuberculosis (PTB) cases in Douala, Cameroon, and to evaluate links between PTB incidence and patients' socio-economic status (SES).DESIGN: Between May 2011 and April 2012, demographic clinical characteristics and global positioning system coordinates for the residence of each consenting PTB case were collected. Spatial scan statistic was used to identify spatial clusters of tuberculosis. SES data were collected by interview during home visits. 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A.</au><au>Ngatchou-Wandji, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spatial analysis of tuberculosis in Douala, Cameroon: clustering and links with socio-economic status</atitle><jtitle>The international journal of tuberculosis and lung disease</jtitle><addtitle>Int J Tuberc Lung Dis</addtitle><date>2014-03-01</date><risdate>2014</risdate><volume>18</volume><issue>3</issue><spage>292</spage><epage>297</epage><pages>292-297</pages><issn>1027-3719</issn><eissn>1815-7920</eissn><abstract>SETTING: Douala, the economic capital of Cameroon, with a network of 20 diagnostic and treatment centres for tuberculosis (TB).OBJECTIVE: To describe the spatial distribution of smear-positive pulmonary tuberculosis (PTB) cases in Douala, Cameroon, and to evaluate links between PTB incidence and patients' socio-economic status (SES).DESIGN: Between May 2011 and April 2012, demographic clinical characteristics and global positioning system coordinates for the residence of each consenting PTB case were collected. Spatial scan statistic was used to identify spatial clusters of tuberculosis. SES data were collected by interview during home visits. PTB patients' SES data were compared with those available for the whole urban population from a recent demographic and health survey. The correlation between PTB incidence and the mean SES of the PTB patients was examined by health area (HA).RESULTS: In total, 2132 (84%) diagnosed PTB cases were identified and interviewed. Three statistically significant spatial clusters were identified. High PTB incidence was predominantly found in HAs characterised by low SES.CONCLUSION: There is evidence of clustering of PTB cases in Douala. Clusters are mainly found in neighbourhoods of low SES. Systematic use of cluster detection techniques for regular TB surveillance in Cameroon might aid in the effective deployment of National TB Programme resources.</abstract><cop>Paris, France</cop><pub>International Union Against Tuberculosis and Lung Disease</pub><pmid>24670564</pmid><doi>10.5588/ijtld.13.0573</doi><tpages>6</tpages></addata></record>
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subjects Applications
Bacterial diseases
Bacterial diseases of the respiratory system
Bacteriological Techniques
Biological and medical sciences
Cameroon
Cameroon - epidemiology
Cluster Analysis
Douala
Human bacterial diseases
Humans
Incidence
Infectious diseases
Medical sciences
Mycobacterium
Mycobacterium tuberculosis - isolation & purification
Pneumology
Predictive Value of Tests
Prospective Studies
Pulmonary Tb
Residence Characteristics
Social Class
Socio-Economic Status
Spatial Analysis
Sputum - microbiology
Statistics
Tuberculosis and atypical mycobacterial infections
Tuberculosis, Pulmonary - diagnosis
Tuberculosis, Pulmonary - economics
Tuberculosis, Pulmonary - epidemiology
Tuberculosis, Pulmonary - microbiology
Tuberculosis, Pulmonary - transmission
Urban Health - economics
title Spatial analysis of tuberculosis in Douala, Cameroon: clustering and links with socio-economic status
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