Table 1.
Baseline characteristics and outcomes
| Total 117 patients | |
|---|---|
| Baseline characteristics | |
| Age (years) | 66 (46–75) |
| Male [n (%)] | 77 (65.8) |
| Initial rhythm [n (%)] | |
| Shockable rhythm | 29 (25.7) |
| PEA | 73 (65.2) |
| Asystole | 10 (8.9) |
| Any shockable rhythma [n (%)] | 53 (50.0) |
| Witnessed [n (%)] | 112 (95.7) |
| Bystander CPR [n (%)] | 117 (100) |
| NFD (min) | 0 (0–0) |
| LFD (min) | 27 (19–40) |
| < 20 min [n (%)] | 28 (26.9) |
| 20–39 min [n (%)] | 48 (46.2) |
| Over 40 min [n (%)] | 28 (26.9) |
| Time zone [n (%)] | |
| 9:00–16:59 | 47 (41.2) |
| 17:00–0:59 | 34 (29.8) |
| 1:00–8:59 | 33 (29.0) |
| Weekday [n (%)] | 93 (80.2) |
| Initiation site [n (%)] | |
| ICU | 45 (38.5) |
| Catheter laboratory | 26 (22.2) |
| General ward | 24 (20.5) |
| ER | 12 (10.3) |
| Operating room | 6 (5.1) |
| Imaging laboratory | 3 (2.6) |
| Outpatient units | 1 (0.85) |
| Cause of cardiac arrest [n (%)] | |
| Heart disease | 80 (68.4) |
| Hemorrhagic shock | 13 (11.1) |
| Septic shock | 4 (3.4) |
| Pulmonary embolism | 4 (3.4) |
| Respiratory failure | 3 (2.6) |
| Other | 13 (11.1) |
| Outcomes | |
| 90-day period | |
| Survival [n (%)] | 45 (38.8) |
| CPC 1 or 2 [n (%)] | 37 (31.9) |
| CPC 3–5 [n (%)] | 79 (68.1) |
| Length of ECMO (day) | 4 (2–6) |
| Length of ICU stay (day) | 10 (4–19) |
CPR cardiopulmonary resuscitation, ICU intensive care unit, ECMO extracorporeal membrane oxygenation, CPC Cerebral performance category
aAny shockable rhythm during CPR
Data are median (interquartile range) for continuous variables
P values are calculated using the Mann-Whitney U and Fisher exact tests