Characteristics of total study cohort and by ACS type
| n (% of total) | Total cohort N=11 348 | STEMI n=1555 | NSTEMI n=5611 | MI unspecified n=310 | Unstable angina n=3872 |
|---|---|---|---|---|---|
| Mean age (SD) | 67.2 (11.7) | 63.0 (12.2) | 68.3 (11.7) | 67.6 (11.5) | 67.4 (11.1) |
| Women | 4198 (37%) | 423 (27%) | 2135 (38%) | 121 (39%) | 1519 (39%) |
| European/other | 9538 (84%) | 1310 (84%) | 4667 (83%) | 253 (82%) | 3308 (85%) |
| Māori | 1168 (10%) | 144 (9%) | 604 (11%) | 39 (13%) | 381 (10%) |
| Pacific | 391 (3%) | 54 (4%) | 231 (4%) | 10 (3%) | 96 (3%) |
| Indian | 251 (2%) | 47 (3%) | 109 (2%) | 8 (3%) | 87 (2%) |
| Least deprived 3 deciles* | 2269 (20%) | 323 (21%) | 1153 (21%) | 54 (17%) | 739 (19%) |
| Intermediate 4 deciles | 4739 (42%) | 657 (42%) | 2330 (42%) | 132 (43%) | 1620 (42%) |
| Most deprived 3 deciles | 4307 (38%) | 568 (37%) | 2111 (38%) | 124 (40%) | 1505 (39%) |
| Prior statin† | 4964 (44%) | 357 (23%) | 2205 (39%) | 103 (33%) | 2299 (59%) |
| Diabetes | 3263 (29%) | 307 (20%) | 1723 (31%) | 87 (28%) | 1146 (30%) |
| History of CVD | 3876 (34%) | 232 (15%) | 1796 (32%) | 87 (28%) | 1761 (45%) |
| Coronary procedure‡ | 3724 (33%) | 884 (57%) | 1753 (31%) | 93 (30%) | 994 (26%) |
*NZDep01 data were missing in 33 people (<1% of cohort).
†Statin dispensed in the 90-day period prior to index admission.
‡Angioplasty or coronary bypass grafting within 30 days of index admission.
ACS, acute coronary syndrome; CVD, cardiovascular disease; STEMI, ST elevation myocardial infarction; NSTEMI, non-ST elevation myocardial infarction.