Clinical Study

Applying the Ecology Model to Perinatal Medicine: From a Regional Population-Based Study

Table 1

Prevalence of risk-allocated persons per 1,000 in each study.


Primary hoptital750783787301
Secondary center235195185494
Tertiary center142126204
Emergency transfer to tertiary center1121

Miyazaki versus Original, ( , Chi square test).
Tokyo versus Original, Revisited, and Miyazaki, ( , Chi square test)