Table 1 Baseline characteristics of the study population
Characteristics | Total | ROSC group | Non-ROSC group | p value |
|---|---|---|---|---|
n = 42 | n = 13 (31.0%) | n = 29 (69.0%) | ||
Age, median (IQR) | 81.5 (68.3–87.5) | 83 (75.0–91.0) | 81 (68.0–86.0) | 0.220 |
Sex, male, n (%) | 26 (61.9) | 5 (38.5) | 21 (72.4) | 0.079 |
Witnessed cardiac arrest, n (%) | 17 (40.5) | 7 (53.8) | 10 (34.5) | 0.399 |
Bystander CPR, n (%) | 31 (73.8) | 8 (61.5) | 23 (79.3) | 0.405 |
Initial rhythm on EMS arrival, n (%) | ||||
Defibrillation | 3 (7.1) | 1 (7.7) | 2 (6.9) | 1.000 |
PEA | 11 (26.2) | 5 (38.5) | 6 (20.7) | 0.406 |
Asystole | 28 (66.7) | 7 (53.8) | 21 (72.4) | 0.409 |