Table 1.
Demographic data for participants, nonparticipants (who withdrew from study or were lost to follow-up), and nonsurvivors.
| Participants (n = 29) | Nonparticipants (n = 15) | Nonsurvivors (n = 5) | |
|---|---|---|---|
| Age in years (SD) | 60.8 (16.3) | 56.2 (13.4) | 59.6 (22.4) |
| Male gender, n (%) | 18 (62) | 10 (67) | 4 (80) |
| Race, n (%) | |||
| Caucasian | 27 (93) | 13 (87) | 5 (100) |
| African American | 2 (7) | 2 (13) | 0 (0) |
| OHCA, n (%) | 17 (59) | 12 (85) | 3 (60) |
| Presumed cardiac etiology, n (%) | 25 (86) | 14 (93) | 4 (80) |
| Witnessed, n (%) | 25 (86) | 11 (73) | 5 (100) |
| Bystander CPR, n (%) | 25 (88) | 5 (56) | 3 (60) |
| Rhythm, n (%) | |||
| VF/VT | 22 (76) | 10 (71) | 3 (60) |
| PEA | 4 (14) | 3 (21) | 1 (20) |
| Asystole | 2 (7) | 0 (0) | 0 (0) |
| Unknown | 1 (3) | 1 (7) | 1 (20) |
| Rescue shocks delivered (SD) | 1.54 (1.37) | 1.91 (1.30) | 3.20 (2.86) |
| Hypothermia, n (%) | 13 (45) | 9 (60) | 1 (20) |
| Median duration of coma in days (IQR) | 1.0 (0.8–1.80) | 1.5 (1.0–2.4) | 1.6 (0.0–12.6) |
| Median duration of intubation in days (IQR) | 2.0 (1.0–3.5) | 3.5 (1.0–5.0) | 6.0 (1.3–12.3) |
| Median ICU length of stay in days (IQR) | 4.0 (3.0–7.0) | 6.5 (4.0–13.0) | 6.0 (2.0–17.5) |
| Median total length of stay in days (IQR) | 11.0 (8.8–18.0) | 11.0 (8.0–25.5) | 15.0 (10.0–30.5) |
SD = standard deviation; OHCA = out-of-hospital cardiac arrest; CPR = cardiopulmonary resuscitation; VF/VT = ventricular fibrillation/ventricular tachycardia; PEA = pulseless electrical activity; IQR = interquartile range.