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Having concomitant asthma phenotypes is common and independently relates to poor lung function in NHANES 2007–2012

机译:在NHANES 2007-2012中,伴发哮喘的表型很常见,并且与肺功能差有关。

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Evidence for distinct asthma phenotypes and their overlap is becoming increasingly relevant to identify personalized and targeted therapeutic strategies. In this study, we aimed to describe the overlap of five commonly reported asthma phenotypes in US adults with current asthma and assess its association with asthma outcomes. Data from the National Health and Nutrition Examination Surveys (NHANES) 2007–2012 were used (n?=?30,442). Adults with current asthma were selected. Asthma phenotypes were: B-Eos-high [if blood eosinophils (B-Eos) ≥?300/mm3]; FeNO-high (FeNO?≥?35?ppb); B-Eos&FeNO-low (B-Eos?
机译:对于确定个性化和针对性治疗策略而言,不同哮喘表型及其重叠的证据变得越来越重要。在这项研究中,我们旨在描述当前患有哮喘的美国成年人中五种常见的哮喘表型的重叠,并评估其与哮喘结局的关系。使用了2007-2012年美国国家健康和营养检查调查(NHANES)的数据(n = 30442)。选择目前患有哮喘的成人。哮喘的表型为:B-Eos高[如果血液嗜酸性粒细胞(B-Eos)≥?300 / mm3];高FeNO(FeNO≥≥35ppb); B-Eos&FeNO-low(B-Eos?<?150 / mm3和FeNO?<?20?ppb);肥胖哮喘(AwObesity)(BMI≥30?kg / m2);和哮喘并发COPD。对美国人口的数据进行加权,并按年龄(<?40岁和≥?40?岁)进行分层。在包括18619名成年人中,有1059名(5.6%[95%CI 5.1–5.9])患有当前的哮喘。在<?40?岁(44%)和≥?40?岁(54%)的受试者中均观察到大量重叠。在两个年龄组中,最普遍的特异性重叠是与高B-Eos(分别为15%和12%)或B-Eos&FeNO-低哮喘(分别为13%和11%)相关的AwObity。当前约有14%的哮喘患者为“未分类”。无论表型如何分类,伴有表型都与(调整后的OR,95%CI)≥?2对照药物(2.03,1.16-3.57)和FEV1?<?LLN(3.21、1.74-5.94)显着相关。变量。在普通人群的哮喘患者中观察到普遍报告的哮喘表型普遍重叠,这对客观的哮喘结局具有影响。可能需要更广泛的方法来更好地表征哮喘患者并预防不良的哮喘预后。

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