Table 2.
Details of Presentations of Patients in the NORIN-STEMI Registry, Stratified by Sex
| All (N = 3,635) | Female (n = 582,16%) | Male (n = 3,053,84%) |
P Value (2-Sided) |
|
|---|---|---|---|---|
| Presentation | ||||
| Direct | 242 (7) | 38 (7) | 204 (7) | 0.89 |
| Referral | 3,393 (93) | 544 (93) | 2,849 (93) | |
| Mode of transport | ||||
| Ambulance | 190 (5) | 36 (6) | 154 (5) | 0.007 |
| Public transport | 1,346 (37) | 244 (42) | 1,102 (36) | |
| Self/family | 2,099 (58) | 302 (52) | 1,797 (59) | |
| Location of first evaluation | ||||
| Non-PCI center (clinic) | 573 (16) | 91 (16) | 482 (16) | 0.55 |
| Non-PCI center (hospital) | 2,801 (77) | 443 (76) | 2,359 (77) | |
| PCI center | 261 (7) | 48 (8) | 213 (7) | |
| Symptoms onset to first health care contact | ||||
| <1 h | 2,309 (64) | 344 (59) | 1,965 (64) | 0.03 |
| 1-3 h | 516 (14) | 90 (15) | 426 (14) | |
| 3-12 h | 362 (10) | 58 (10) | 304 (10) | |
| 12-24 h | 150 (4) | 26 (4) | 124 (4) | |
| ≥24 h | 285 (8) | 63 (11) | 222 (7) | |
| Reason for delaya | ||||
| Lack of transport | 382 (29) | 71 (30) | 311 (29) | 0.84 |
| Patient/relative unwillingness | 177 (14) | 35 (15) | 142 (13) | |
| Misinterpretation of symptoms | 597 (46) | 104 (44) | 493 (46) | |
| Transient resolution of symptoms | 152 (12) | 25 (11) | 127 (12) | |
| MI type on electrocardiogram | ||||
| Anterior wall MI | 1,975 (54) | 296 (51) | 1,679 (55) | 0.391 |
| Inferior wall MI | 1,553 (43) | 265 (46) | 1,288 (42) | |
| Lateral wall MI | 39 (1) | 11 (2) | 28 (1) | 0.52 |
| Posterior wall MI | 16 (0) | 2 (0) | 14 (0) | |
| Ventricular fibrillation | 24 (1) | 9 (2) | 15 (0) | 0.004 |
| Hours from admission to catheter laboratory arrival | 8 (1-27) | 4 (1-26) | 8 (1-28) | 0.720 |
Values are n (%) or median (IQR).
MI = myocardial infarction; PCI = percutaneous coronary intervention; other abbreviation as in Table 1.
a
Not available for 2327 patients.