Table 2.
Treatment, transport and survival from OHCA over time: all sites.
| 2006 | 2007 | 2008 | 2009 | 2010 | |
|---|---|---|---|---|---|
| EMS-assessed episodes, n | 13,920 | 14,617 | 16,736 | 18,848 | 20,617 |
| Treated episodes, n | 7659 | 8275 | 9524 | 10,475 | 11,215 |
| Treated, % | 55.0 | 56.6 | 56.9 | 55.6 | 54.4 |
| Pronounced in .eld, n (% of treated) | 40.0 | 41.0 | 39.7 | 38.7 | 37.1 |
| Transported to ED, n (% of treated) | 60.0 | 58.9 | 60.2 | 61.2 | 62.8 |
| Survival to hospital discharge by subgroup | |||||
| EMS treated, % | 8.2 | 8.8 | 9.3 | 8.8 | 10.4 |
| Presenting rhythm VT/VF, % | 21.4 | 24.7 | 25.8 | 24.5 | 29.3 |
| Presenting rhythm VT/VF and Bystander Witnessed, % | 23.3 | 27.1 | 28.1 | 26.7 | 30.3 |
| Presenting rhythm PEA, % | 6.2 | 7.4 | 7.6 | 7.0 | 8.7 |
| Presenting rhythm asystole, % | 1.1 | 1.4 | 1.8 | 1.5 | 2.1 |