Completeness of key clinical fields in 2008
| Data group | Completeness of fields |
| Demographic details | >95% |
| Details of admission† | >95% |
| Previous medical history | >90% |
| Timing of critical events | |
| Date/time of onset of symptoms | 85% |
| Date/time of arrival in hospital | 100% |
| Date/time of reperfusion treatment | 92% |
| Drug use on admission | >90% |
| Clinical features and non-invasive investigations* | >80% |
| Drug use in hospital | >85% |
| Discharge medications | >85% |
| Complications; bleeding, re-infarction, cardiac arrest | >80% |
| Other invasive investigations | >80% |
| Discharge details | >80% |
| Poorly completed fields within clinical features*: | |
| Cholesterol | 64% |
| Ejection fraction | 59% |
| Weight | 48% |
| Height | 31% |