DISPERSION AND BIAS - CAN WE TRUST GEOMETRIC MEANS

被引：42

作者：

FULFORD, AJC

机构：

[1] Department of Pathology, University of Cambridge, Cambridge, CB2 1QP, Tennis Court Road

来源：

PARASITOLOGY TODAY | 1994年 / 10卷 / 11期

关键词：

D O I：

10.1016/0169-4758(94)90181-3

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

Geometric means are frequently used to estimate the intensity of parasite infection within a population. In this article, Tony Fulford uses Schistosoma mansoni field data to illustrate that such estimates are biased and, more importantly, that the degree of bias can vary markedly with host age. Similar problems plague the interpretation of prevalence. The cause can be traced back to age-dependent differences in the dispersion of parasites among hosts.

引用

页码：446 / 448

页数：3

共 5 条

[1] ON THE USE OF AGE-INTENSITY DATA TO DETECT IMMUNITY TO PARASITIC INFECTIONS, WITH SPECIAL REFERENCE TO SCHISTOSOMA-MANSONI IN KENYA [J].