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Relationship between annual influenza vaccination and winter mortality in diabetic people over 65 years.
Hum Vaccin Immunother. 2012 Mar; 8(3):363-70.HV

Abstract

BACKGROUND

Influenza is an important cause of morbidity and mortality in older people, especially in those with some high-risk conditions such as diabetes mellitus. This study assessed the relationship between influenza vaccination status and winter mortality among diabetics 65 y and over during four consecutive influenza seasons.

METHODS

Population-based cohort study including 2,650 community-dwelling individuals 65 y or older with diabetes mellitus followed between January 2002 and April 2005 in Tarragona, Spain. Influenza vaccination status was evaluated every year of the study and the primary endpoint was considered all-cause death during the study period. Deaths were classified as occurring within influenza periods (January-April) or non-influenza periods. The relationship between vaccination and winter mortality was evaluated by multivariable discrete-time hazard models.

RESULTS

Influenza immunization was associated with a reduction of 33% (95% confidence interval: 4-53) in the adjusted risk of all-cause mortality throughout the overall influenza periods 2002-2005. The attributable risk to vaccination in reducing mortality was 13.5 per 100,000 person-weeks within influenza periods, estimating that one death was prevented for every 435 annual vaccinations.

CONCLUSION

Our data confirm the benefit of influenza vaccination in reducing mortality and supports the strategy of annual vaccination in diabetics aged at least 65 y.

Authors+Show Affiliations

Department of Epidemiology and Statistic of IDIAP Jordi Gol i Gurina, Barcelona, Spain.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

22327503

Citation

Rodriguez-Blanco, Teresa, et al. "Relationship Between Annual Influenza Vaccination and Winter Mortality in Diabetic People Over 65 Years." Human Vaccines & Immunotherapeutics, vol. 8, no. 3, 2012, pp. 363-70.
Rodriguez-Blanco T, Vila-Corcoles A, de Diego C, et al. Relationship between annual influenza vaccination and winter mortality in diabetic people over 65 years. Hum Vaccin Immunother. 2012;8(3):363-70.
Rodriguez-Blanco, T., Vila-Corcoles, A., de Diego, C., Ochoa-Gondar, O., Valdivieso, E., Bobe, F., Morro, A., Hernández, N., Martin, A., Calamote, F., Clotas, L., Herreros, M. I., & Saun, N. (2012). Relationship between annual influenza vaccination and winter mortality in diabetic people over 65 years. Human Vaccines & Immunotherapeutics, 8(3), 363-70. https://doi.org/10.4161/hv.18548
Rodriguez-Blanco T, et al. Relationship Between Annual Influenza Vaccination and Winter Mortality in Diabetic People Over 65 Years. Hum Vaccin Immunother. 2012;8(3):363-70. PubMed PMID: 22327503.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Relationship between annual influenza vaccination and winter mortality in diabetic people over 65 years. AU - Rodriguez-Blanco,Teresa, AU - Vila-Corcoles,Angel, AU - de Diego,Cinta, AU - Ochoa-Gondar,Olga, AU - Valdivieso,Empar, AU - Bobe,Francesc, AU - Morro,Amalia, AU - Hernández,Nuria, AU - Martin,Ana, AU - Calamote,Filomena, AU - Clotas,Lourdes, AU - Herreros,M Isabel, AU - Saun,Neus, Y1 - 2012/02/13/ PY - 2012/2/14/entrez PY - 2012/2/14/pubmed PY - 2013/2/28/medline SP - 363 EP - 70 JF - Human vaccines & immunotherapeutics JO - Hum Vaccin Immunother VL - 8 IS - 3 N2 - BACKGROUND: Influenza is an important cause of morbidity and mortality in older people, especially in those with some high-risk conditions such as diabetes mellitus. This study assessed the relationship between influenza vaccination status and winter mortality among diabetics 65 y and over during four consecutive influenza seasons. METHODS: Population-based cohort study including 2,650 community-dwelling individuals 65 y or older with diabetes mellitus followed between January 2002 and April 2005 in Tarragona, Spain. Influenza vaccination status was evaluated every year of the study and the primary endpoint was considered all-cause death during the study period. Deaths were classified as occurring within influenza periods (January-April) or non-influenza periods. The relationship between vaccination and winter mortality was evaluated by multivariable discrete-time hazard models. RESULTS: Influenza immunization was associated with a reduction of 33% (95% confidence interval: 4-53) in the adjusted risk of all-cause mortality throughout the overall influenza periods 2002-2005. The attributable risk to vaccination in reducing mortality was 13.5 per 100,000 person-weeks within influenza periods, estimating that one death was prevented for every 435 annual vaccinations. CONCLUSION: Our data confirm the benefit of influenza vaccination in reducing mortality and supports the strategy of annual vaccination in diabetics aged at least 65 y. SN - 2164-554X UR - https://www.unboundmedicine.com/medline/citation/22327503/Relationship_between_annual_influenza_vaccination_and_winter_mortality_in_diabetic_people_over_65_years_ L2 - https://www.tandfonline.com/doi/full/10.4161/hv.18548 DB - PRIME DP - Unbound Medicine ER -