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Items: 1 to 20 of 106

1.

Instrumental variables in influenza vaccination studies: mission impossible?!

Groenwold RH, Hak E, Klungel OH, Hoes AW.

Value Health. 2010 Jan-Feb;13(1):132-7. doi: 10.1111/j.1524-4733.2009.00584.x. Epub 2009 Aug 20.

2.

Impact of influenza vaccination on mortality risk among the elderly.

Groenwold RH, Hoes AW, Hak E.

Eur Respir J. 2009 Jul;34(1):56-62. doi: 10.1183/09031936.00190008. Epub 2009 Feb 12.

3.

Quantifying the potential role of unmeasured confounders: the example of influenza vaccination.

Groenwold RH, Hoes AW, Nichol KL, Hak E.

Int J Epidemiol. 2008 Dec;37(6):1422-9. doi: 10.1093/ije/dyn173. Epub 2008 Aug 25.

PMID:
18725358
4.

Influenza vaccination in community-dwelling elderly: impact on mortality and influenza-associated morbidity.

Voordouw BC, van der Linden PD, Simonian S, van der Lei J, Sturkenboom MC, Stricker BH.

Arch Intern Med. 2003 May 12;163(9):1089-94.

PMID:
12742808
5.

Annual revaccination against influenza and mortality risk in community-dwelling elderly persons.

Voordouw AC, Sturkenboom MC, Dieleman JP, Stijnen T, Smith DJ, van der Lei J, Stricker BH.

JAMA. 2004 Nov 3;292(17):2089-95.

PMID:
15523069
6.

Estimating influenza vaccine effectiveness in community-dwelling elderly patients using the instrumental variable analysis method.

Wong K, Campitelli MA, Stukel TA, Kwong JC.

Arch Intern Med. 2012 Mar 26;172(6):484-91. doi: 10.1001/archinternmed.2011.2038. Epub 2012 Feb 27.

PMID:
22371873
7.

Effectiveness of influenza vaccine in the community-dwelling elderly.

Nichol KL, Nordin JD, Nelson DB, Mullooly JP, Hak E.

N Engl J Med. 2007 Oct 4;357(14):1373-81.

8.

[Influenza vaccination in the elderly: effectiveness not in doubt].

Hak E, Opstelten W, Looijmans-van den Akker I, Knottnerus JA.

Ned Tijdschr Geneeskd. 2008 May 10;152(19):1081-3. Dutch.

PMID:
18552059
9.

Functional status is a confounder of the association of influenza vaccine and risk of all cause mortality in seniors.

Jackson LA, Nelson JC, Benson P, Neuzil KM, Reid RJ, Psaty BM, Heckbert SR, Larson EB, Weiss NS.

Int J Epidemiol. 2006 Apr;35(2):345-52. Epub 2005 Dec 20. Review.

PMID:
16368724
10.

Further evidence for bias in observational studies of influenza vaccine effectiveness: the 2009 influenza A(H1N1) pandemic.

Jackson ML, Yu O, Nelson JC, Naleway A, Belongia EA, Baxter R, Narwaney K, Jacobsen SJ, Shay DK, Jackson LA.

Am J Epidemiol. 2013 Oct 15;178(8):1327-36. doi: 10.1093/aje/kwt124. Epub 2013 Aug 26.

PMID:
23978527
11.

Effectiveness of inactivated influenza vaccines in preventing influenza-associated deaths and hospitalizations among Ontario residents aged ≥ 65 years: estimates with generalized linear models accounting for healthy vaccinee effects.

Ridenhour BJ, Campitelli MA, Kwong JC, Rosella LC, Armstrong BG, Mangtani P, Calzavara AJ, Shay DK.

PLoS One. 2013 Oct 16;8(10):e76318. doi: 10.1371/journal.pone.0076318. eCollection 2013.

12.
13.

Evidence of bias in estimates of influenza vaccine effectiveness in seniors.

Jackson LA, Jackson ML, Nelson JC, Neuzil KM, Weiss NS.

Int J Epidemiol. 2006 Apr;35(2):337-44. Epub 2005 Dec 20.

PMID:
16368725
14.

Influenza vaccination and all-cause mortality in community-dwelling elderly in Ontario, Canada, a cohort study.

Campitelli MA, Rosella LC, Stukel TA, Kwong JC.

Vaccine. 2010 Dec 16;29(2):240-6. doi: 10.1016/j.vaccine.2010.10.049. Epub 2010 Oct 31.

PMID:
21044667
15.

Effect of influenza vaccine status on winter mortality in Spanish community-dwelling elderly people during 2002-2005 influenza periods.

Vila-Córcoles A, Rodriguez T, de Diego C, Ochoa O, Valdivieso A, Salsench E, Ansa X, Badía W, Saún N; EPIVAC Study Group.

Vaccine. 2007 Sep 17;25(37-38):6699-707. Epub 2007 Jul 27.

PMID:
17698263
16.

Effectiveness of seasonal influenza vaccine in community-dwelling elderly people: a meta-analysis of test-negative design case-control studies.

Darvishian M, Bijlsma MJ, Hak E, van den Heuvel ER.

Lancet Infect Dis. 2014 Dec;14(12):1228-39. doi: 10.1016/S1473-3099(14)70960-0. Epub 2014 Nov 6.

PMID:
25455990
17.

Pooling of confounders did not induce residual confounding in influenza vaccination studies.

Groenwold RH, Hak E, Hoes AW.

Ann Epidemiol. 2009 Jun;19(6):432-6. doi: 10.1016/j.annepidem.2009.02.001.

PMID:
19460673
18.

Influenza vaccine effectiveness in the elderly based on administrative databases: change in immunization habit as a marker for bias.

Hottes TS, Skowronski DM, Hiebert B, Janjua NZ, Roos LL, Van Caeseele P, Law BJ, De Serres G.

PLoS One. 2011;6(7):e22618. doi: 10.1371/journal.pone.0022618. Epub 2011 Jul 26.

19.

Vaccines for the prevention of seasonal influenza in patients with diabetes: systematic review and meta-analysis.

Remschmidt C, Wichmann O, Harder T.

BMC Med. 2015 Mar 17;13:53. doi: 10.1186/s12916-015-0295-6. Review.

20.

Impact of influenza vaccination on mortality in the French elderly population during the 2000-2009 period.

Bonmarin I, Belchior E, Lévy-Bruhl D.

Vaccine. 2015 Feb 25;33(9):1099-101. doi: 10.1016/j.vaccine.2015.01.023. Epub 2015 Jan 17.

PMID:
25604800

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