Table 2 Dispatcher-assisted cardiopulmonary resuscitation for patients with out-of-hospital cardiac arrest
|  | Traumatic OHCA (N = 560) | Medical OHCA (N = 3966) | P value |
|---|---|---|---|
Compliance of dispatch protocol | |||
Dispatchers evaluate both the consciousness and presence of normal breathing | 82 (14.6%) | 2355 (59.4%) | < 0.001 |
Dispatchers only evaluate the consciousness | 107 (19.1%) | 2642 (66.6%) | < 0.001 |
Dispatchers only evaluate the presence of normal breathing | 99 (17.7%) | 2751 (69.4%) | < 0.001 |
Dispatcher-recognition of cardiac arrests | 35 (6.3%) | 1664 (42.0%) | < 0.001 |
Dispatcher-initiation of bystander CPR | 30 (5.4%) | 1491 (37.6%) | < 0.001 |
Any dispatcher-delivery of CPR instructions | 15 (2.7%) | 806 (20.3%) | < 0.001 |
Full dispatcher-delivery of CPR instructions | 1 (0.2%) | 40 (1.0%) | 0.054 |