本文選題：甲型HN流感 + 分類回歸樹�。� 參考：《現(xiàn)代預(yù)防醫(yī)學(xué)》2014年24期

【摘要】：目的探討影響甲型H1N1流感病程的影響因素。方法對長沙市2009-2010年甲型H1N1流感疫情資料,運用分類回歸樹的方法建立回歸樹模型,分析影響甲型H1N1流感病程的因素。結(jié)果發(fā)病到就診的時間3 d、有基礎(chǔ)性疾病、年齡≤3.5歲是導(dǎo)致甲型H1N1流感病程延長的危險因素。結(jié)論發(fā)病后及時就診,加強對有基礎(chǔ)性疾病及嬰幼兒人群的預(yù)防與治療,有助于縮短甲型H1N1流感病例的病程,減少重癥病例的發(fā)生。
[Abstract]:Objective to investigate the influencing factors on the course of influenza A (H1N1).Methods based on the epidemic data of influenza A (H1N1) from 2009-2010 in Changsha City, a regression tree model was established by using the method of classified regression tree, and the factors affecting the course of influenza A (H1N1) were analyzed.Results the time from onset to visit was 3 days and there were basic diseases. The age 鈮，

本文編號：1732899