Table 1.
Patient characteristics based on their survival status and neurological outcome.
| Variable | Overall | Alive with CPC ≤ 2 at 30 days | Dead or CPC > 2 at 30 days | p-value |
|---|---|---|---|---|
| N = 578 | N = 74 | N = 504 | ||
| Study site (%) | 0.29 | |||
| Pavia | 236 (41) | 26 (35) | 210 (42) | |
| Vestfold | 342 (59) | 48 (65) | 294 (58) | |
| Age (IQR) (years) | 68 (57–77) | 63 (52–72) | 69 (59–78) | <0.001 |
| Male gender (%) | 450 (77) | 58 (78) | 392 (78) | 0.95 |
| EMS arrival time (IQR) (min) | 9.5 (6.9–13.4) | 8.2 (6–11.7) | 9.9 (7.1–13.9) | 0.006 |
| Medical aetiology (%) | 525 (91) | 71 (96) | 454 (90) | 0.07 |
| Home location (%) | 394 (68) | 34 (46) | 360 (71) | <0.001 |
| Telephone CPR (%) | 293 (51) | 36 (48) | 257 (51) | 0.78 |
| Witnessed event | <0.001 | |||
| EMS (%) | 58 (10) | 20 (27) | 38 (8) | |
| Bystanders (%) | 398 (69) | 48 (65) | 350 (69) | |
| Bystander CPR (%)a | 382 (73) | 44 (81) | 338 (73) | 0.11 |
| Shockable presenting rhythm (%) | 362 (63) | 68 (91) | 294 (58) | <0.001 |
| Epinephrine (IQR) (mg) | 5 (3–6) | 1 (0–2) | 5 (3–6) | <0.001 |
| Rhythm conversion from non-shockable to shockable (%) | 216 (37) | 6 (9) | 210 (42) | <0.001 |
| AED use before EMS arrival (%)a | 70 (13) | 7 (13) | 63 (13) | 0.52 |
| Number of shocks delivered (IQR) | 3 (1–6) | 2 (1–4) | 3 (1–6) | 0.13 |
| Mechanical CPR (%) | 364 (63) | 27 (36) | 337 (66) | <0.001 |
AED, Automated External Defibrillator.
a
EMS witnessed excluded.