Analysis of malaria surveillance data in Ethiopia: what can be learned from the Integrated Disease Surveillance and Response System?

Abstract Background Routine malaria surveillance data is useful for assessing incidence and trends over time, and in stratification for targeting of malaria control. The reporting completeness and potential bias of such data needs assessment. Methods Data on 17 malaria indicators were extracted from...

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Published in:Malaria Journal
Main Authors: Jima Daddi, Wondabeku Milliyon, Alemu Abebe, Teferra Admas, Awel Nuraini, Deressa Wakgari, Adissie Adamu, Tadesse Zerihun, Gebre Teshome, Mosher Aryc W, Richards Frank O, Graves Patricia M
Format: Article in Journal/Newspaper
Language:English
Published: BMC 2012
Subjects:
Online Access:https://doi.org/10.1186/1475-2875-11-330
https://doaj.org/article/b0660d2c66094641a4f4418ab5d3ab1b
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spelling ftdoajarticles:oai:doaj.org/article:b0660d2c66094641a4f4418ab5d3ab1b 2023-05-15T15:18:13+02:00 Analysis of malaria surveillance data in Ethiopia: what can be learned from the Integrated Disease Surveillance and Response System? Jima Daddi Wondabeku Milliyon Alemu Abebe Teferra Admas Awel Nuraini Deressa Wakgari Adissie Adamu Tadesse Zerihun Gebre Teshome Mosher Aryc W Richards Frank O Graves Patricia M 2012-09-01T00:00:00Z https://doi.org/10.1186/1475-2875-11-330 https://doaj.org/article/b0660d2c66094641a4f4418ab5d3ab1b EN eng BMC http://www.malariajournal.com/content/11/1/330 https://doaj.org/toc/1475-2875 doi:10.1186/1475-2875-11-330 1475-2875 https://doaj.org/article/b0660d2c66094641a4f4418ab5d3ab1b Malaria Journal, Vol 11, Iss 1, p 330 (2012) Surveillance Ethiopia Malaria indicators Incidence Reporting completeness Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 article 2012 ftdoajarticles https://doi.org/10.1186/1475-2875-11-330 2022-12-31T08:51:07Z Abstract Background Routine malaria surveillance data is useful for assessing incidence and trends over time, and in stratification for targeting of malaria control. The reporting completeness and potential bias of such data needs assessment. Methods Data on 17 malaria indicators were extracted from the Integrated Disease Surveillance and Response System database for July 2004 to June 2009 (Ethiopian calendar reporting years 1997 to 2001). Reporting units were standardized over time with 2007 census populations. The data were analysed to show reporting completeness, variation in risk by reporting unit, and incidence trends for malaria indicators. Results Reporting completeness, estimated as product of unit-month and health facility reporting, was over 80% until 2009, when it fell to 56% during a period of reorganization in the Ministry of Health. Nationally the average estimated annual incidence of reported total malaria for the calendar years 2005 to 2008 was 23.4 per 1000 persons, and of confirmed malaria was 7.6 per 1,000, with no clear decline in out-patient cases over the time period. Reported malaria in-patient admissions and deaths (averaging 6.4 per 10,000 and 2.3 per 100,000 per year respectively) declined threefold between 2005 and 2009, as did admissions and deaths reported as malaria with severe anaemia. Only 8 of 86 reporting units had average annual estimated incidence of confirmed malaria above 20 per 1,000 persons, while 26 units were consistently below five reported cases per 1,000 persons per year. Conclusion The Integrated Disease Surveillance and Response System functioned well over the time period mid 2004 to the end of 2008. The data suggest that the scale up of interventions has had considerable impact on malaria in-patient cases and mortality, as reported from health centres and hospitals. These trends must be regarded as relative (over space and time) rather than absolute. The data can be used to stratify areas for improved targeting of control efforts to steadily reduce incidence. They ... Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Arctic Malaria Journal 11 1 330
institution Open Polar
collection Directory of Open Access Journals: DOAJ Articles
op_collection_id ftdoajarticles
language English
topic Surveillance
Ethiopia
Malaria indicators
Incidence
Reporting completeness
Arctic medicine. Tropical medicine
RC955-962
Infectious and parasitic diseases
RC109-216
spellingShingle Surveillance
Ethiopia
Malaria indicators
Incidence
Reporting completeness
Arctic medicine. Tropical medicine
RC955-962
Infectious and parasitic diseases
RC109-216
Jima Daddi
Wondabeku Milliyon
Alemu Abebe
Teferra Admas
Awel Nuraini
Deressa Wakgari
Adissie Adamu
Tadesse Zerihun
Gebre Teshome
Mosher Aryc W
Richards Frank O
Graves Patricia M
Analysis of malaria surveillance data in Ethiopia: what can be learned from the Integrated Disease Surveillance and Response System?
topic_facet Surveillance
Ethiopia
Malaria indicators
Incidence
Reporting completeness
Arctic medicine. Tropical medicine
RC955-962
Infectious and parasitic diseases
RC109-216
description Abstract Background Routine malaria surveillance data is useful for assessing incidence and trends over time, and in stratification for targeting of malaria control. The reporting completeness and potential bias of such data needs assessment. Methods Data on 17 malaria indicators were extracted from the Integrated Disease Surveillance and Response System database for July 2004 to June 2009 (Ethiopian calendar reporting years 1997 to 2001). Reporting units were standardized over time with 2007 census populations. The data were analysed to show reporting completeness, variation in risk by reporting unit, and incidence trends for malaria indicators. Results Reporting completeness, estimated as product of unit-month and health facility reporting, was over 80% until 2009, when it fell to 56% during a period of reorganization in the Ministry of Health. Nationally the average estimated annual incidence of reported total malaria for the calendar years 2005 to 2008 was 23.4 per 1000 persons, and of confirmed malaria was 7.6 per 1,000, with no clear decline in out-patient cases over the time period. Reported malaria in-patient admissions and deaths (averaging 6.4 per 10,000 and 2.3 per 100,000 per year respectively) declined threefold between 2005 and 2009, as did admissions and deaths reported as malaria with severe anaemia. Only 8 of 86 reporting units had average annual estimated incidence of confirmed malaria above 20 per 1,000 persons, while 26 units were consistently below five reported cases per 1,000 persons per year. Conclusion The Integrated Disease Surveillance and Response System functioned well over the time period mid 2004 to the end of 2008. The data suggest that the scale up of interventions has had considerable impact on malaria in-patient cases and mortality, as reported from health centres and hospitals. These trends must be regarded as relative (over space and time) rather than absolute. The data can be used to stratify areas for improved targeting of control efforts to steadily reduce incidence. They ...
format Article in Journal/Newspaper
author Jima Daddi
Wondabeku Milliyon
Alemu Abebe
Teferra Admas
Awel Nuraini
Deressa Wakgari
Adissie Adamu
Tadesse Zerihun
Gebre Teshome
Mosher Aryc W
Richards Frank O
Graves Patricia M
author_facet Jima Daddi
Wondabeku Milliyon
Alemu Abebe
Teferra Admas
Awel Nuraini
Deressa Wakgari
Adissie Adamu
Tadesse Zerihun
Gebre Teshome
Mosher Aryc W
Richards Frank O
Graves Patricia M
author_sort Jima Daddi
title Analysis of malaria surveillance data in Ethiopia: what can be learned from the Integrated Disease Surveillance and Response System?
title_short Analysis of malaria surveillance data in Ethiopia: what can be learned from the Integrated Disease Surveillance and Response System?
title_full Analysis of malaria surveillance data in Ethiopia: what can be learned from the Integrated Disease Surveillance and Response System?
title_fullStr Analysis of malaria surveillance data in Ethiopia: what can be learned from the Integrated Disease Surveillance and Response System?
title_full_unstemmed Analysis of malaria surveillance data in Ethiopia: what can be learned from the Integrated Disease Surveillance and Response System?
title_sort analysis of malaria surveillance data in ethiopia: what can be learned from the integrated disease surveillance and response system?
publisher BMC
publishDate 2012
url https://doi.org/10.1186/1475-2875-11-330
https://doaj.org/article/b0660d2c66094641a4f4418ab5d3ab1b
geographic Arctic
geographic_facet Arctic
genre Arctic
genre_facet Arctic
op_source Malaria Journal, Vol 11, Iss 1, p 330 (2012)
op_relation http://www.malariajournal.com/content/11/1/330
https://doaj.org/toc/1475-2875
doi:10.1186/1475-2875-11-330
1475-2875
https://doaj.org/article/b0660d2c66094641a4f4418ab5d3ab1b
op_doi https://doi.org/10.1186/1475-2875-11-330
container_title Malaria Journal
container_volume 11
container_issue 1
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