Survival (95% CI) by classification system† | |||||
---|---|---|---|---|---|
Age range (years) | NHAR | NHAR extended | MONICA | UKHAS | OXMIS |
*Significant differences in survival between NHAR and alternative classification systems. | |||||
†Comparisons only reported for the age ranges used in major publications. | |||||
CI, confidence interval; NHAR, Nottingham heart attack register; MONICA, monitoring trends and determinants in cardiovascular disease study; OXMIS, Oxford myocardial infarction study; UKHAS, United Kingdom heart attack study. | |||||
<65 (n=941) | 87% (83 to 91) | – | 91% (88 to 96) | – | – |
<76 (n=1959) | 82% (79 to 85) | – | – | *88% (85 to 91) | – |
<80 (n=2250) | 78% (75 to 81) | – | – | – | *84% (82 to 87) |
All (n=2753) | 77% (74 to 80) | *85% (83 to 87) | – | – | – |