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Randomized Quality Improvement Trial of Opting-In Versus Opting-Out to Increase Influenza Vaccination Rates during Pregnancy

机译:加入和退出增加怀孕期间流感疫苗接种率的随机质量改进试验

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摘要

>Introduction  Despite strong recommendations, only 40.6% of pregnant women attending two prenatal clinics were vaccinated against influenza during the 2009 pandemic. We tested whether an opting-out approach would improve vaccine uptake. >Methods  We conducted a randomized quality improvement (QI) trial to compare opting-out with conventional opting-in consent for influenza immunization. Women age ≥ 18 years attending the University of Texas Health Science Center at Houston (UTHealth) or UT-Medical Branch (UTMB) prenatal clinics during the 2010–2011 influenza season, were eligible. >Results  We enrolled 280 women (140 UTHealth, 140 UTMB). Both groups had similar mean age (26.0 ± 5.5 years), mean gestational age (19.4 ± 9.5 weeks), and percent with underlying health conditions (20.7%). Vaccination rates with opting-in and opting-out were similar among all (83 vs. 84%), UTHealth (87 vs. 93%), and UTMB patients (79 vs.76%) ( p  > 0.05). In subsamples of patients assessed, consent strategy did not significantly affect maternal recall of information provided. >Conclusion  While prenatal influenza vaccination uptake doubled from the 2009–2010 influenza season, opting-out did not perform better than opting-in, a conclusion opposite that we would have reached had this been a nonconcurrent trial. Vaccination rates dropped posttrial; hence, continued research is needed to increase the prenatal influenza immunizations.
机译:>简介尽管提出了强烈建议,但在2009年大流行期间,去过两家产前诊所的孕妇中只有40.6%的人接种了流感疫苗。我们测试了选择退出的方法是否可以提高疫苗的吸收率。 >方法我们进行了一项随机质量改进(QI)试验,以比较选择退出与常规选择接受流感疫苗的意愿。在2010-2011年流感季节期间,在德克萨斯州休斯敦大学健康科学中心(UTHealth)或UT-医学分支(UTMB)产前诊所就诊的年龄≥18岁的妇女是合格的。 >结果我们招募了280名女性(140名UTHealth,140 UTMB)。两组的平均年龄(26.0±5.5岁),平均胎龄(19.4±9.5周)和具有基本健康状况的百分比(20.7%)相似。加入和退出的疫苗接种率在所有患者中(83%vs. 84%),UTHealth(87%vs. 93%)和UTMB患者(79%vs. 76%)相似(p> 0.05)。在所评估患者的子样本中,同意策略并未显着影响孕产妇对所提供信息的回忆。 >结论虽然从2009年至2010年流感季节,产前流感疫苗的接种量增加了一倍,但选择退出的表现并不比选择加入更好。如果这是一项非并行试验,我们得出的结论是相反的。接种后疫苗接种率下降;因此,需要继续进行研究以增加产前流感的免疫接种。

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