Application of trend surface analysis method in geographical distribution of HIV/AIDS epidemic research

VernacularTitle:趋势面分析法在艾滋病地理分布研究中的应用
Author: Lu WANG ; Jing LUO ; Dan DENG ; Shu YANG ; Qiang ZHANG
Publication Type:Journal Article
Keywords: acquired immunodeficiency syndrome; geographical locations; regression analysis; trend surface analysis
From: Chongqing Medicine 2014;(30):4050-4052
CountryChina
Language:Chinese
Abstract: Objective To study the geographical distribution of the HIV/AIDS epidemic in C city .Methods Based on the theory of multiple regression analysis ,trend surface regression mathematical model was constructed .The latitude and longitude coordinates of different districts and data of HIV/AIDS were collected in the model and the results by ArcGIS software were got ,the trend sur-face analysis chart was drawed at last .Results HIV/AIDS infection rates trend surface regression mathematical model of C city was statistically significant difference(P< 0 .05) ,its goodness-of-fit was 53 .18% .Regions exsisted abnormal residual value and should be the paid attention to explore protective or risk factors in these regions .Conclusion The method can be used in the analy-sis of C city HIV/AIDS epidemic systematic variation in the geographic distribution and local district ,and provide some clues for the local epidemic prevention and controlling of HIV/AIDS .