Table 1 -.
Cohort Characteristics.
| Characteristic (n%) | All (n = 597) |
|---|---|
|
| |
| Mean age in years (SD) | 60.0 (15.5) |
| Female sex | 232 (38.9%) |
| Race | |
| - American Indian/Alaskan Native | 5 (0.8%) |
| - Asian | 5. (0.8%) |
| - Black/African American | 75 (12.5%) |
| - White | 431 (72.2%) |
| - Unknown | 80 (13.4%) |
| - Other | 1 (0.1%) |
| Ethnicity | |
| - Hispanic/Latino | 2 (0.3%) |
| - Non-Hispanic/Latino | 493 (82.6%) |
| - Unknown | 102 (17.1%) |
| Witnessed status | |
| - EMS | 96 (16.1%) |
| - Bystander | 255 (42.7%) |
| - Unwitnessed | 139 (23.3%) |
| - ED arrest | 107 (17.9%) |
| Initial rhythm | |
| - VF/pVT | 185 (31.0%) |
| - PEA | 188 (31.5%) |
| - Asystole | 179 (30.0%) |
| - Unknown | 45 (7.5%) |
| Median CPR duration in min [IQR] | 20 [11 – 35] |
| Median defibrillator shocks [IQR] | 0 [0 – 2] |
| Median epinephrine doses [IQR] | 3 [1–5] |
| Pittsburgh Cardiac Arrest Category | |
| - I | 97 (16.3%) |
| - II | 112 (18.8%) |
| - III | 49 (8.2%) |
| - IV | 291 (48.7%) |
| - Unknown | 48 (8.0%) |
| Arrest etiology | |
| - Cardiac | 193 (32.3%) |
| - Respiratory | 110 (18.4%) |
| - Neurologic | 23 (3.9%) |
| - Other | 271 (45.4%) |
| Interfacility transfer | 372 (62.3%) |
| Any cross-sectional imaging obtained | 491 (82.2%) |
| Median hours from arrest to CT [IQR] | 4.1 [2.8 – 5.7] |
| Cardiac catheterization | 112 (18.8) |
| Survived to hospital admission | 570 (95.5%) |
| Survival to hospital discharge | 193 (32.3%) |
| Cerebral performance category | |
| - 1 | 43 (7.2%) |
| - 2 | 49 (8.5%) |
| - 3 | 86 (14.4%) |
| - 4 | 13 (2.2%) |
| - 5 | 404 (67.7%) |
CT- computed tomography; PEA- pulseless electrical activity; VF/pVT- ventricular fibrillation/pulseless ventricular tachycardia.