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Accuracy of the health information system on malaria surveillance in Vietnam

Transactions of the Royal Society of Tropical Medicine and Hygiene, 2007-03, Vol.101 (3), p.216-225 [Peer Reviewed Journal]

2006 Royal Society of Tropical Medicine and Hygiene ;Royal Society of Tropical Medicine and Hygiene 2006 ;2007 INIST-CNRS ;ISSN: 0035-9203 ;EISSN: 1878-3503 ;DOI: 10.1016/j.trstmh.2006.07.003 ;PMID: 16979202 ;CODEN: TRSTAZ

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Title:
Accuracy of the health information system on malaria surveillance in Vietnam
Author: Erhart, A. ; Thang, N.D. ; Xa, N.X. ; Thieu, N.Q. ; Hung, L.X. ; Hung, N.Q. ; Nam, N.V. ; Toi, L.V. ; Tung, N.M. ; Bien, T.H. ; Tuy, T.Q. ; Cong, L.D. ; Thuan, L.K. ; Coosemans, M. ; D’Alessandro, U.
Subjects: Adolescent ; Adult ; Biological and medical sciences ; Community Health Services - statistics & numerical data ; Disease management ; Epidemiologic Methods ; Fluorescent Antibody Technique, Indirect - methods ; Human protozoal diseases ; Humans ; Infectious diseases ; Information Services - standards ; Malaria ; Malaria - diagnosis ; Malaria - epidemiology ; Medical sciences ; Morbidity ; Parasitic diseases ; Population Surveillance - methods ; Private health system ; Private Sector - statistics & numerical data ; Protozoal diseases ; Self medication ; Surveillance ; Vietnam ; Vietnam - epidemiology
Is Part Of: Transactions of the Royal Society of Tropical Medicine and Hygiene, 2007-03, Vol.101 (3), p.216-225
Description: The health information system (HIS) is a key component of control programs and its accuracy is necessary for the assessment of disease risks, the formulation of priorities and the evaluation of the cost-effectiveness of different interventions. In order to assess the quality of the HIS in estimating malaria morbidity in Vietnam, we compared data obtained by a 2-year active (ACD) and passive case detection (PCD) study with those routinely collected at the local commune health centres (CHC) at three sites having different malaria epidemiology. The majority of malaria cases (80–95%) detected by ACD were missed by the HIS. Similarly, most malaria cases (50–90%) detected by PCD were also missed by the HIS, and this was proportional to the number of active private practitioners. Reasons for this low sensitivity are low CHC attendance, high attendance at private health facilities, widespread self-medication and attendance at central health facilities. In conclusion, although malaria has sharply decreased in Vietnam over the past 10 years, the current HIS greatly underestimates the malaria burden. Involvement of the private sector and the establishment of sentinel sites might improve the quality of data and the relevance of HIS in malaria control.
Publisher: Oxford: Elsevier Ltd
Language: English
Identifier: ISSN: 0035-9203
EISSN: 1878-3503
DOI: 10.1016/j.trstmh.2006.07.003
PMID: 16979202
CODEN: TRSTAZ
Source: MEDLINE
Alma/SFX Local Collection

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Accuracy of the health information system on malaria surveillance in Vietnam

2006 Royal Society of Tropical Medicine and Hygiene ;Royal Society of Tropical Medicine and Hygiene 2006 ;2007 INIST-CNRS ;ISSN: 0035-9203 ;EISSN: 1878-3503 ;DOI: 10.1016/j.trstmh.2006.07.003 ;PMID: 16979202 ;CODEN: TRSTAZ

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