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Influenza vaccine coverage, influenza-associated morbidity and all-cause mortality in Catalonia (Spain)
dc.contributor.author | Muñoz Gracia, María del Pilar |
dc.contributor.author | Soldevila, Nuria |
dc.contributor.author | Martínez, Anna |
dc.contributor.author | Carmona, Glòria |
dc.contributor.author | Batalla, Joan |
dc.contributor.author | Acosta Argueta, Lesly María |
dc.contributor.author | Domínguez, Àngela |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Estadística i Investigació Operativa |
dc.date.accessioned | 2012-01-20T11:49:03Z |
dc.date.available | 2012-01-20T11:49:03Z |
dc.date.created | 2011-05-26 |
dc.date.issued | 2011-05-26 |
dc.identifier.citation | Muñoz, M. [et al.]. Influenza vaccine coverage, influenza-associated morbidity and all-cause mortality in Catalonia (Spain). "Vaccine", 26 Maig 2011, vol. 29, núm. 2011, p. 5047-5052. |
dc.identifier.issn | 0264-410X |
dc.identifier.uri | http://hdl.handle.net/2117/14699 |
dc.description.abstract | The objective of this work was to study the behaviour of influenza with respect to morbidity and allcause mortality in Catalonia, and their association with influenza vaccination coverage. The study was carried out over 13 influenza seasons, from epidemiological week 40 of 1994 to week 20 of 2007, and included confirmed cases of influenza and all-cause mortality. Two generalized linear models were fitted: influenza-associated morbidity was modelled by Poisson regression and all-cause mortality by negative binomial regression. The seasonal component was modelled with the periodic function formed by the sum of the sinus and cosines. Expected influenza mortality during periods of influenza virus circulation was estimated by Poisson regression and its confidence intervals using the Bootstrap approach. Vaccination coverage was associated with a reduction in influenza-associated morbidity (p < 0.001), but not with a reduction in all-cause mortality (p = 0.149). In the case of influenza-associated morbidity, an increase of 5% in vaccination coverage represented a reduction of 3% in the incidence rate of influenza. There was a positive association between influenza-associated morbidity and all-cause mortality. Excess mortality attributable to influenza epidemics was estimated as 34.4 (95% CI: 28.4–40.8) weekly deaths. In conclusion, all-cause mortality is a good indicator of influenza surveillance and vaccination coverage is associated with a reduction in influenza-associated morbidity but not with all-cause mortality. |
dc.format.extent | 6 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Matemàtiques i estadística::Estadística aplicada::Estadística biosanitària |
dc.subject.lcsh | Sampling (Statistics) |
dc.title | Influenza vaccine coverage, influenza-associated morbidity and all-cause mortality in Catalonia (Spain) |
dc.type | Article |
dc.subject.lemac | Mostreig (Estadística) |
dc.contributor.group | Universitat Politècnica de Catalunya. LIAM - Laboratori de Modelització i Anàlisi de la Informació |
dc.identifier.doi | 10.1016/j.vaccine.2011.04.067 |
dc.description.peerreviewed | Peer Reviewed |
dc.subject.ams | 62D05 Teoria del mostreig, enquestes de mostreig |
dc.relation.publisherversion | http://www.sciencedirect.com/science/article/pii/S0264410X11006128 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 5791127 |
dc.description.version | Postprint (published version) |
local.citation.author | Muñoz, M.; Soldevila, N.; Martínez, A.; Carmona, G.; Batalla, J.; Acosta, L.; Domínguez, À. |
local.citation.publicationName | Vaccine |
local.citation.volume | 29 |
local.citation.number | 2011 |
local.citation.startingPage | 5047 |
local.citation.endingPage | 5052 |
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