Herpes zoster vaccine HZV: utilization and coverage 2009 – 2013, Alberta, CanadaReportar como inadecuado




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BMC Public Health

, 14:1098

Infectious Disease epidemiology

Abstract

BackgroundHerpes zoster vaccine HZV is not publicly funded in the province of Alberta, Canada. We estimated vaccine coverage among those aged 60 years or older for 2013, as well as vaccine utilization rates per hundred thousand population over the period 2009 – 2013. We explored for factors associated with HZV dispensing rates.

MethodsWe used administrative data from the Alberta Pharmaceutical Information Network PIN database to identify unique persons for whom HZV had been dispensed from community pharmacies over 2009 – 2013. PIN data were also used to estimate the pharmacy-population ratios for rural and urban Alberta over the period. Denominators for rates were estimated using mid-year population estimates from the Alberta Health Care Insurance Plan Registry. Income quintile data were estimated from the 2006 Census of Canada. Crude, age, sex, geographic rural vs. urban, income-quintile and year specific rates of HZV vaccine dispensing were estimated per 100,000 population. Rates were adjusted for pharmacy-population ratio. Vaccine coverage for persons aged 60 years or older was estimated using counts of all unique persons for whom the vaccine was dispensed over the period in the numerator and a 2013 mid- year population denominator.

ResultsHZV dispensing rates rose annually from 2009 – 2013. Vaccine coverage was estimated to be 8.4% among persons aged 60 years or older. Rates of dispensing were highest for persons aged 60–69 years and were higher for females than males and for persons from higher compared to lower income quintiles. Dispensing rates were lower for rural than for urban residents. About 2% of vaccine was dispensed for persons aged less than 50 years.

ConclusionsRates of HZV dispensing are increasing rapidly in Alberta despite a lack of public funding. A small proportion of the vaccine may be dispensed off-label.

AbbreviationsGPGeneral practitioner

HZVHerpes zoster vaccine

NACINational Advisory Committee on Immunization

PINPharmaceutical Information Network

PHNPersonal health number, a unique personal identifier

DINDrug Identification Number

OROdds ratio

95% CI95% confidence interval.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2458-14-1098 contains supplementary material, which is available to authorized users.

Xianfang C Liu, Kimberley A Simmonds, Margaret L Russell and Lawrence W Svenson contributed equally to this work.

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Autor: Xianfang C Liu - Kimberley A Simmonds - Margaret L Russell - Lawrence W Svenson

Fuente: https://link.springer.com/



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