Dynamic Analysis on Trends in the Incidence of Hepatitis A in Shandong Province from 1990 to 2006
- VernacularTitle:山东省1990～2006年甲型病毒性肝炎在人群中发病趋势的动态分析
- Author:
Jie YU
;
Jie LEI
- Publication Type:Journal Article
- Keywords:
Hepatitis A;
Trend;
Analysis
- From:
Chinese Journal of Vaccines and Immunization
2008;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To reveal the trend of change incidence of hepatitis A(HAV)in Shandong province and explore dynamic analysis methods.Method Dynamic analysis was made on data of hepatitis A in Shandong province from 1990 to 2006.Results The reported incidence of hepatitis A patients dropped from 53.97/100,000 to 1.14/100,000 in Shandong province from 1990 to 2006,which showed a marked downward trend;the groups under the age of 10 dropped from 55.60% to 5.12%,the average age of incidence moved from 14.40 years old to 40.19 years old.Conclusion The incidence of hepatitis A has been changed from prevalent to sporadic in Shandong province,and there was a further downward trend;the age of the high-risk population has been shifted to older age group;the sex ratio of incidence between males and females in the population above 10 years of age had an expansion trend,the age distribution curve differences between males and females was also expanded.
