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|You can obtain
mortality data in the US from the CDC Wonder , the
database on the Internet, maintained by the Centers for
Disease Control and Prevention. This database allows one to obtain mortality in the US
by age-group, race, sex, state, county, underlying cause of death by the International
Classification of Diseases codes ninth revision (ICD).
In comparing the mortality from CHD within the US, ICD codes 410-414 plus 429.2 were used. This is because in the US, code 429.2 is exclusively and extensively used by coroners to denote CHD that falls somewhat short of definitive evidence of a myocardial infarction, but was separated from the rest of codes for CHD in the ninth revision of ICD. Such deaths were coded 412.4 under the ICD eighth revision. ICD code 429.2 was not used for international comparison because it is not available from the World Health Organization Health Statistics Annual.
Sorlie PD, Gold ED. The effect of physician terminology preference on coronary heart disease mortality: An artifact uncovered by the 9th revision ICD. Am J Public Health. 1987;77:148-152.