Risk Factors for Severe Cases of 2009 Influenza A H1N1: A Case Control Study in Zhejiang Province, ChinaReportar como inadecuado




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Few case control studies were conducted to explore risk factors for severe cases of 2009 influenza A H1N1 with the mild cases as controls. Mild and severe cases of 2009 influenza A H1N1, 230 cases each, were randomly selected from nine cities in Zhejiang Province, China, and unmatched case control study was conducted. This study found that it averagely took 5 days for the severe cases of 2009 influenza A H1N1 to start antiviral therapy away from onset, 2 days later than mild cases. Having chronic underlying diseases and bad psychological health combined with chronic underlying diseases were two important risk factors for severe cases, and their OR values were 2.39 and 5.85 respectively. Timely anti-viral therapy was a protective factor for severe cases OR = 0.35, 95% CI: 0.18–0.67. In conclusion, psychological health education and intervention, as well as timely anti-viral therapy, could not be ignored in the prevention, control and treatment of 2009 influenza A H1N1.



Autor: Le Fang , Junfen Lin, Chengliang Chai, Zhao Yu

Fuente: http://plos.srce.hr/



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