Table III.
Patient outcomes by distance tertiles.
| 1st Tertile <7.1 miles (N=9,876) | 2nd Tertile 7.1-16.2 miles (N=9,763) | 3rd Tertile >16.3 miles (N=9,867) | p-value | |
|---|---|---|---|---|
| Time Intervals | ||||
| FMC to device activation | ||||
| Overall | 84 (69 -100) | 84 (69 -101) | 89 (73 -107) | <0.0 001 |
| +ECG | 80 (66-95) | 80 (67-96) | 86 (71-103) | <0.0001 |
| −ECG | 91 (76-107) | 91 (76-108) | 96 (78-114) | <0.0001 |
| FMC to device activation ≤90 min | 6,066 (61.4%) | 5,996 (61.4%) | 5,147 (52.2%) | <0.0001 |
| FMC to hospital arrival | ||||
| Overall | 26 (21-33) | 30 (24-37) | 37 (27-49) | <0.0001 |
| +ECG | 26 (21-32) | 30 (24-37) | 38 (29-50) | |
| −ECG | 27 (20-34) | 30 (23-37) | 35 (25-46) | |
| Hospital arrival to CCL | ||||
| Overall | 32 (20-45) | 29 (18-42) | 27 (15-40) | <0.0001 |
| +ECG | 28 (17-40) | 26 (15-38) | 23 (11-35) | |
| −ECG | 39 (27-52) | 37 (26-50) | 35 (23-48) | |
| CCL arrival to device activation | ||||
| Overall | 23 (17-29) | 22 (17-29) | 22 (17-29) | 0.087 |
| +ECG | 23 (17-29) | 22 (17-29) | 22 (17-29) | |
| −ECG | 23 (17-30) | 22 (17-29) | 22 (17-30) | |
| In-hospital Events | ||||
| Death | 365 (3 .8%) | 336 (3 .5%) | 285 (2 .9%) | 0.8 5 |
| Death within 24 hours | 111 (1.2%) | 104 (1.1%) | 104 (1.1%) | 0.72 |
| Post-admission MI | 100 (1.0%) | 90 (0.9%) | 94 (1.0%) | 0.79 |
| Cardiogenic shock | 519 (5.4%) | 529 (5.5%) | 496 (5.1%) | 0.41 |
All times are presented in m inutes as median (interquartile range).
FMC=First medial contact; ECG=Electrocardiogram; CCL=cardiac catheterization laboratory; MI=Myocardial infarction