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Imported Malaria in Portugal 2000–2009: A Role for Hospital Statistics for Better Estimates and Surveillance

2014-12-07Artigo científico Acesso aberto
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datacite.subject.fosCiências Médicas::Outras Ciências Médicas
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg04:Educação de Qualidade
datacite.subject.sdg17:Parcerias para a Implementação dos Objetivos
dc.contributor.authorFonseca, Ana Glória
dc.contributor.authorDias, Sara S.
dc.contributor.authorBaptista, João Luis
dc.contributor.authorTorgal, Jorge
dc.date.accessioned2026-07-09T15:28:16Z
dc.date.available2026-07-09T15:28:16Z
dc.date.issued2014-12-07
dc.description.abstractBackground. Although eradicated in Portugal, malaria keeps taking its toll on travelers and migrants from endemic countries. Disease notification is mandatory but is compromised by underreporting. Methods. A retrospective study on malaria hospitalizations for 10 consecutive years (2000–2009) was conducted. Data on hospitalizations and notifications were obtained from Central Administration of Health System and Health Protection Agency, respectively. For data selection ICD-9 CM and ICD-10 were used: codes 084∗, 647.4, and B50–B54. Variables were gender, age, agent and origin of infection, length of stay (LOS), lethality, and comorbidities. Analysis included description, hypothesis testing, and regression. Results.There were 2003 malaria hospitalizations and 480 notified hospitalized cases, mainly in young male adults. P. falciparum was the main agent of infection acquired mainly in sub-Saharan Africa. Lethality was 1.95% and mean LOS was 8.09 days. Older age entailed longer LOS and increased lethality. Discussion. From 2000 to 2009, there were 2003 malaria hospitalizations with decreasing annual incidence, these numbers being remarkably higher than those notified. The national database of diagnosis related groups, reflecting hospitalizations on NHS hospitals, may be an unexplored complementary source for better estimates on imported malaria.eng
dc.description.sponsorshipThe authors thank the Central Administration of Health System (ACSS) and the Health Protection Agency (HPA) for the Portuguese National database of the Diagnosis Related Groups (DRG) resulting from NHS hospital episodes and the National Statutory Notifiable Disease Surveillance database.
dc.identifier.citationFonseca, Ana Glória, Dias, Sara S., Baptista, João Luis, Torgal, Jorge, Imported Malaria in Portugal 2000–2009: A Role for Hospital Statistics for Better Estimates and Surveillance, Malaria Research and Treatment, 2014, 373029, 8 pages, 2014. https://doi.org/10.1155/2014/373029.
dc.identifier.doi10.1155/2014/373029
dc.identifier.eissn2044-4362
dc.identifier.issn2090-8075
dc.identifier.urihttp://hdl.handle.net/10400.8/16576
dc.language.isoeng
dc.peerreviewedyes
dc.publisherWiley
dc.relation.hasversionhttps://onlinelibrary.wiley.com/doi/10.1155/2014/373029
dc.relation.ispartofMalaria Research and Treatment
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectadult
dc.subjectage
dc.subjectanemia
dc.subjectArticle
dc.subjectchronic obstructive lung disease
dc.subjectcomorbidity
dc.subjectcontrolled study
dc.subjectfemale
dc.subjectgender
dc.subjecthealth survey
dc.subjecthospital statistics
dc.subjecthospitalization
dc.subjecthuman
dc.subjectHuman immunodeficiency virus infection
dc.subjectICD-10
dc.subjectICD-9-CM
dc.subjectkidney failure
dc.subjectlethality
dc.subjectmajor clinical study
dc.subjectmalaria
dc.subjectmalaria falciparum
dc.subjectmale
dc.subjectmortality
dc.subjectmultivariate analysis
dc.subjectPlasmodium falciparum
dc.subjectPlasmodium ovale
dc.subjectPlasmodium ovale malaria
dc.subjectPlasmodium vivax
dc.subjectPlasmodium vivax malaria
dc.subjectpneumonia
dc.subjectPortugal
dc.subjectpregnancy
dc.subjectrespiratory failure
dc.subjectretrospective study
dc.subjectsex difference
dc.subjectstatistics
dc.subjectunivariate analysis
dc.titleImported Malaria in Portugal 2000–2009: A Role for Hospital Statistics for Better Estimates and Surveillanceeng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage8
oaire.citation.startPage1
oaire.citation.titleMalaria Research and Treatment
oaire.citation.volume2014
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameDias
person.givenNameSara
person.identifier.ciencia-idAA1F-9375-B5E6
person.identifier.orcid0000-0001-6782-7481
person.identifier.ridI-9965-2018
person.identifier.scopus-author-id33367487300
relation.isAuthorOfPublicationa49e0bc6-cfea-4033-aebf-a1ef9e4c5e7b
relation.isAuthorOfPublication.latestForDiscoverya49e0bc6-cfea-4033-aebf-a1ef9e4c5e7b

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Background. Although eradicated in Portugal, malaria keeps taking its toll on travelers and migrants from endemic countries. Disease notification is mandatory but is compromised by underreporting. Methods. A retrospective study on malaria hospitalizations for 10 consecutive years (2000–2009) was conducted. Data on hospitalizations and notifications were obtained from Central Administration of Health System and Health Protection Agency, respectively. For data selection ICD-9 CM and ICD-10 were used: codes 084∗, 647.4, and B50–B54. Variables were gender, age, agent and origin of infection, length of stay (LOS), lethality, and comorbidities. Analysis included description, hypothesis testing, and regression. Results.There were 2003 malaria hospitalizations and 480 notified hospitalized cases, mainly in young male adults. P. falciparum was the main agent of infection acquired mainly in sub-Saharan Africa. Lethality was 1.95% and mean LOS was 8.09 days. Older age entailed longer LOS and increased lethality. Discussion. From 2000 to 2009, there were 2003 malaria hospitalizations with decreasing annual incidence, these numbers being remarkably higher than those notified. The national database of diagnosis related groups, reflecting hospitalizations on NHS hospitals, may be an unexplored complementary source for better estimates on imported malaria.
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