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An epidemiological study on the factors influencing length of hospitalization for inpatients of burns
Author(s): 
Pages: 256-258
Year: Issue:  4
Journal: CHINESE JOURNAL OF EPIDEMIOLOGY

Keyword:  烧伤住院时间二级预防Cox回归分析因子分析;
Abstract: 目的探讨影响烧伤病人住院时间长短的因素,为烧伤二级预防的医学干预提供依据. 方法调查790例烧伤患者,应用因子分析与Cox回归分析. 结果影响烧伤病人住院时间的因素有病人的入院方式(X3)、烧伤面积(X4)、烧伤深度(X5)及烧伤至获得规范治疗的间隔时间(X6);病人的年龄(X1)和性别(X2)对住院时间的影响不明显.Cox比例风险模型为h(t)/h0(t)=e(-0.193 3F1-0.617 6F2-0.118 0F3),其中公因子Fi与原变量的换算关系式为F1=-0.132X3-0.009X4+0.655X5+0.583X6,F2=0.019X3+0.875X4+0.257X5-0.294X6,F3=1.010X3+0.025X4-0.176X5+0.030X6,表明烧伤越深、面积越大、烧伤后延误治疗的时间越长,病人住院时间也越长;在病情相当时,急救车送医院者愈合较快. 结论烧伤后治疗的及时性是影响烧伤病人住院时间的主要预后因素之一,烧伤的二级预防工作需要加强.
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