Baseline characteristics after propensity score weighting
| Characteristics | ACEIs (%) | ARBs (%) | Standardised difference |
| Age (years), mean±SD | 77.0±9.5 | 77.1±14.3 | 0.008 |
| Men | 59.6 | 59.5 | 0.002 |
| Rural resident | 15.7 | 15.7 | 0.001 |
| Timing of MI in months, mean±SD | 53.7±42.5 | 54.0±65.0 | 0.008 |
| Cardiovascular comorbidities | |||
| Chronic ischaemic heart disease | 82.5 | 82.1 | 0.011 |
| Angina | 24.6 | 26.2 | 0.037 |
| Atrial fibrillation/flutter | 22.2 | 22.4 | 0.005 |
| Diabetes | 45.5 | 45.6 | 0.003 |
| Heart failure | 26.1 | 26.5 | 0.008 |
| Hypertension | 90.4 | 90.4 | 0.001 |
| Dyslipidemia | 56.3 | 56.2 | 0.001 |
| Peripheral vascular disease | 7.1 | 7.2 | 0.002 |
| Cerebrovascular disease | 9.4 | 9.4 | <0.001 |
| Stroke/transient ischaemic attack | 7.7 | 7.7 | <0.001 |
| Shock | 5.0 | 4.9 | 0.002 |
| Medical comorbidities | |||
| Renal disease | 9.2 | 9.3 | 0.004 |
| Cancer | 11.1 | 11.1 | 0.001 |
| Chronic obstructive pulmonary disease | 13.3 | 13.3 | <0.001 |
| Liver disease | 1.0 | 1.0 | <0.001 |
| Peptic ulcer disease | 4.0 | 4.0 | 0.001 |
| Anaemia/blood disease | 22.1 | 22.4 | 0.006 |
| Charlson score, mean±SD | 2.9±2.4 | 2.9±3.6 | 0.006 |
| Prior cardiac invasive procedures | |||
| Percutaneous coronary intervention | 46.8 | 46.5 | 0.006 |
| Coronary artery bypass grafting | 20.4 | 20.5 | 0.002 |
| Coronary catheterisation | 80.7 | 80.4 | 0.005 |
| Medication use | |||
| Statins | 84.0 | 84.1 | 0.001 |
| Beta blocker | 70.3 | 70.3 | 0.001 |
| Diuretics | 43.8 | 43.8 | <0.001 |
| Clopidogrel | 31.4 | 31.1 | 0.006 |
| Calcium channel blockers | 30.5 | 30.5 | <0.001 |
| Nitrates | 19.2 | 19.4 | 0.005 |
| Warfarin | 12.3 | 12.4 | 0.003 |
| Spiroloactone | 5.2 | 4.5 | 0.030 |
ACEI, ACE inhibitor;ARB, angiotensin receptor blocker;MI, myocardial infarction.