Table 1.
Characteristics of transferred STEMI patients and facilities transferring patients.
| Patient characteristics (N=620) | |
|---|---|
| Age, median (IQR), y | 59.3 (50.4,69.0) |
| Sex (% Female) | 21.3 |
| Race (% White) | 45.0 |
| Insurance | |
| Medicare (%) | 20.8 |
| Medicaid (%) | 5.0 |
| Private (%) | 31.5 |
| Self Pay (%) | |
| Presentation by Year | |
| 2008 (%) | 14.8 |
| 2009 (%) | 23.4 |
| 2010 (%) | 23.2 |
| 2011 (%) | 19.7 |
| 2012 (%) | 18.9 |
| Time Intervals, median (IQR), minutes | |
| MCTB | 135 (114,172) |
| DIDO | 74 (56,103) |
| Door-to-EKG | 5 (2,11) |
| EKG-to-PCI Activation | 18 (7,37) |
| PCI Activation-to-Exit | 44 (34,56) |
| Transportation | 31 (22,42) |
| Cath Lab | 30 (23,37) |
| Initial presentation to Zone 1 hospital (%) | 64.1 |
| Helicopter Transportation to PCI Center (%) | 71.4 |
| Facility Characteristics (N=41) | |
|---|---|
| Overall STEMIs transferred by ED, median (IQR) | 6 (2,22) |
| Distance from PCI, median (IQR), miles | 47.2 (33.8,64.7) |
Note: DIDO, door-in-door-out; EKG, electrocardiogram; IQR, inter-quartile range; MCTB, Medical Contact-to-Balloon; PCI, percutaneous coronary intervention; STEMI, ST-elevation myocardial infarction.