Logistic regression (SPSS V.20), using the source of the cases (CSP or GUM) as the outcome, was used to assess independent relationships.
This was not surprising, given the differences in the characteristics of the populations, data collection methods, ethnic populations, sample size, and sources of the cases.
Although the earlier cases in New Jersey and in the Netherlands could be traced directly to the outbreak in Kenya, the sources of the cases in Texas, Canada, and Mexico were unknown.
These centres accept children from any part of Mexico City and if any child develops AL, care would be provided by one of the hospitals serving as sources of the cases.
In conclusion, we analyzed the epidemiology characteristics of the family cluster of H7N9 virus, especially the infection source of the two cases.
The technicians were blinded as to the source of the specimens (cases versus controls) and all specimens were run in a single batch.
The general requirement is that the control group should reflect the exposure frequency in the source population of the cases [ 1, 2].
To help ensure that the controls were representative of the source population of the cases, controls were men who underwent standard annual medical exams at the collaborating medical institutions.
These are the type of donations that the McCain-Feingold law sought to prohibit because of their size, in the case of the individual contributions, and because of the source, in the case of the money from the S.E.I.U.
The sources of these Case II waters appear to be both inside and outside the Gulf of Maine.
