[Nihon kōshū eisei zasshi] Japanese journal of public health
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Nihon Koshu Eisei Zasshi · Apr 1997
[Reevaluation of heart disease deaths on death certificates and trends for ischemic heart disease mortality during the last five years in Oita city].
To evaluate heart disease deaths and clarify trends for ischemic heart disease (IHD) mortality during the last five years in Oita City, we reevaluated causes of death on death certificates. In 1993, there were 253,000 people aged 25-74 in Oita City. In this population age group, there were 1,996 deaths from January 1992 through December 1993. ⋯ Moreover, in comparison with IHD mortality estimated by reevaluation of heart disease in Oita City in 1987-88, age-standardized IHD mortality per 100,000 for males has remained basically stable, increasing from 37.8 to 38.4 during the last five years. On the other hand, mortality for females has increased from 11.2 to 17.3. Our results suggest that mortality from IHD actually was about 30% more than mortality statistics, and does not show a declining trend as mortality statistics have stated.