Table 1 Patient characteristics and outcomes of the AH and non-AH groups
Variables | Total | AH | Non-AH | p value |
|---|---|---|---|---|
n = 1252 | n = 105 | n = 1147 | ||
Age, years, median (IQR) | 61 (49–69) | 66 (56–74) | 60 (49–68) | < 0.001 |
Male, n (%) | 1033 (82.5%) | 76 (72.4%) | 957 (83.4%) | 0.004 |
Location of cardiac arrest, n (%) | ||||
Home | 514 (41.1%) | 39 (37.1%) | 475 (41.4%) | 0.52 |
Public space | 596 (47.6%) | 51 (48.6%) | 545 (47.5%) | |
Ambulance | 142 (11.3%) | 15 (14.3%) | 127 (11.1%) | |
Witness, n (%) | 965 (77.1%) | 49 (46.7%) | 916 (79.9%) | < 0.001 |
Bystander CPR, n (%) | 727 (58.1%) | 47 (44.8%) | 680 (59.3%) | 0.004 |
Initial cardiac rhythm at the scene, n (%) | ||||
Shockable | 808 (64.5%) | 57 (54.3%) | 751 (65.5%) | 0.022 |
Unshockable | 444 (35.5%) | 48 (45.7%) | 396 (34.5%) | |
Initial cardiac rhythm at hospital arrival, n (%) | ||||
Shockable | 598 (47.8%) | 53 (50.5%) | 545 (47.5%) | 0.56 |
Unshockable | 654 (52.2%) | 52 (49.5%) | 602 (52.5%) | |
Body temperature at hospital arrival, °C, median (IQR) | 35.1 (34.0–35.8) | 26 (22.9–29.8) | 35.2 (34.3–35.9) | < 0.001 |
Low-flow time, minutes, median (IQR) | 52 (42–63) | 60 (47–79) | 51 (42–62) | < 0.001 |
Outcome, n (%) | ||||
Survival at hospital discharge | 338 (27.0%) | 47 (44.8%) | 291 (25.4%) | < 0.001 |
Favorable neurological outcome | 174 (13.9%) | 27 (25.7%) | 147 (12.8%) | < 0.001 |