Institut de veille sanitaire, Saint-Maurice, France.
Euro Surveill. 2010 Jan 14;15(2):19463. doi: 10.2807/ese.15.02.19463-en.
From 1 July 2009 to 15 November 2009, 244 patients with 2009 pandemic influenza A(H1N1) were admitted to intensive care unit (ICU) and were compared with 514 cases hospitalised in medical wards in France until 2 November 2009. Detailed case-based epidemiological information and outcomes were gathered for all hospitalised cases. Infants and pregnant women are overrepresented among cases admitted to ICU with seven per cent for both groups respectively, and twenty per cent of ICU cases did not belong to a risk group. Chronic respiratory disease was the most common risk factor among cases but obesity (body mass index >or= 30 Kg/m(2)), chronic cardiac disease and immunosuppression were risk factors associated with severe illness after adjustment for age and for other co-morbidities.
从 2009 年 7 月 1 日至 11 月 15 日，244 名患有 2009 年大流行性流感 A(H1N1)的患者被收入重症监护病房（ICU），并与 2009 年 11 月 2 日之前在法国住院病房住院的 514 例进行了比较。详细的基于病例的流行病学信息和结果均已收集了所有住院患者的信息。婴儿和孕妇在 ICU 患者中占比较大，分别为 7%和 7%，而 20%的 ICU 患者不属于高危人群。慢性呼吸道疾病是病例中最常见的危险因素，但肥胖症（体重指数>或= 30 Kg/m(2)）、慢性心脏疾病和免疫抑制是在调整年龄和其他合并症后与严重疾病相关的危险因素。
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