Table 1.
Characteristics of subjects deriving category of arrest. Therapeutic hypothermia achieved delineates group where temperature ≤34°C was achieved.
| Included (N=457) | Excluded (N=38) | |
|---|---|---|
| Age, in years (SD) | 61 (16) | 61 (14) |
|
| ||
| Male sex | 259 (57%) | 25 (66%) |
|
| ||
| OHCA* | 253 (55%) | 9 (24%) |
|
| ||
| Rhythm* | ||
| VF/VT | 185 (41%) | 8 (21%) |
| PEA | 131 (29%) | 9 (24%) |
| Asystole | 88 (19%) | 11 (29%) |
| Unknown | 52 (11%) | 10 (26%) |
|
| ||
| Year* | ||
| 2005 | 64 (14%) | 4 (10%) |
| 2006 | 86 (19%) | 8 (21%) |
| 2007 | 82 (18%) | 2 (6%) |
| 2008 | 103 (22%) | 20 (53%) |
| 2009 | 122 (27%) | 4 (10%) |
|
| ||
| Therapeutic Hypothermia Intended | 221 (48%) | 21 (55%) |
|
| ||
| Therapeutic Hypothermia Achieved | 202 (44%) | 13 (34%) |
|
| ||
| Coma on arrival (GCS<9)* | 287 (62%) | 31 (82%) |
|
| ||
| Coronary Angiography* | 160 (45%) | 3 (12%) |
|
| ||
| LOS (IQR) | 7 (4, 15) | 10 (4, 21) |
|
| ||
| Survival | 213 (47%) | 19 (50%) |
|
| ||
| Good Outcome | 144 (32%) | 7 (18%) |
*
p<0.05
Abbreviations: OHCA- out-of-hospital cardiac arrest, VF/VT- ventricular fibrillation/pulseless ventricular tachycardia, PEA- pulseless electrical activity, GCS- Glasgow coma scale, LOS-length of stay (days), SD- standard deviation, IQR- interquartile range.