Table 3.
Proportion of patients with a final diagnosis of STEMI who were transported by ambulance with a paramedic-suspected STEMI
| Final STEMIs transported by ambulance and suspected of STEMI prehospital/all final STEMI | |
| All | 2016/5465 (36.9%) |
| Age group, years | |
| <45 | 106/264 (40.2%) |
| 45–54 | 281/766 (36.7%) |
| 55–64 | 534/1287 (41.5%) |
| 65–74 | 501/1344 (37.3%) |
| 75–84 | 393/1101 (35.7%) |
| 85+ | 201/703 (28.6%) |
| Gender | |
| Male | 1382/3606 (38.3%) |
| Female | 634/1859 (34.1%) |
| Ethnicity | |
| Māori | 184/642 (28.7%) |
| Pacific | 80/277 (28.9%) |
| Indian | 86/235 (36.6%) |
| Other Asian | 79/210 (37.6%) |
| European/other | 1587/4101 (38.7%) |
| NZDep13 | |
| 1–2 (least deprived) | 327/848 (38.6%) |
| 3–4 | 375/955 (39.3%) |
| 5–6 | 385/967 (39.8%) |
| 7–8 | 452/1155 (39.1%) |
| 9–10 (most deprived) | 439/1261 (34.8%) |
| Missing | 38/279 (13.6%) |
| Hospital status | |
| Primary PCI centre | 1408/3636 (38.7%) |
| Non-primary PCI centre | 551/1609 (34.2%) |
| Rural hospital without cath lab | 57/220 (25.9%) |
| Non-cardiac Charlson Index | |
| 0 | 1551/3754 (41.3%) |
| 1–2 | 326/1040 (31.3%) |
| 3+ | 139/671 (20.7%) |
| Coronary intervention status | |
| No cath | 270/1455 (18.6%) |
| Cath with intervention | 1574/3435 (45.8%) |
| Cath without intervention | 172/575 (29.9%) |
cath, catheterisation; NZDep13, New Zealand Deprivation Index 2013; PCI, percutaneous coronary intervention; STEMI, ST-segment elevation myocardial infarction.