Table 3

Comparison between epidemiological and clinical classifications

Confirmed MI by classification system
Clinical classificationOriginal NHAR (N=723)Amended NHAR (N=1224)MONICA (N=1051)UKHAS (N=807)
Number of cases common to both classifications shown.
MI, myocardial infarction; MONICA, monitoring trends and determinants in cardiovascular disease study; NHAR, Nottingham heart attack register; NSTEMI, non-ST-elevation myocardial infarction; STEMI, ST elevation myocardial infarction; UA, unstable angina; UKHAS, United Kingdom heart attack study.
STEMI (n=583)583583583465
NSTEMI (n=344)123344290305
UA (n=153)0000
Classical angina (n=726)01371020
Other presentations (n=931)181607637