Table 1:
Clinical and Arrest Characteristics of Patients With and Without Favorable Neurological Outcome at Discharge
| Variable type | Variable | Patients with favorable neurological outcome (n=28409) | Patients without favorable neurological outcome (n=89265) | P-value |
|---|---|---|---|---|
| Demographics | Age, mean (sd) | 64.1 (14.8) | 66.1 (15.5) | <0.001 |
| Female, n (%) | 11838 (41.7%) | 38931 (43.6%) | <0.001 | |
| Race, n (%) | ||||
| Black | 4764 (16.8%) | 20572 (23.0%) | <0.001 | |
| White | 21371 (75.2%) | 60035 (67.3%) | ||
| Other | 2226 (7.8%) | 8429 (9.4%) | ||
| Missing | 48 (0.2%) | 229 (0.3%) | ||
| Characteristics of Arrest, n (%) | Initial Cardiac Arrest Rhythm | |||
| Asystole | 5712 (20.1%) | 25246 (28.3%) | <0.001 | |
| Pulseless Electrical Activity | 9557 (33.6%) | 42797 (47.9%) | ||
| VT/VF T2FS<2min | 5950 (20.9%) | 7446 (8.3%) | ||
| VT/VF T2FS 2-3 | 1776 (6.3%) | 2268 (2.5%) | ||
| VT/VF T2FS 3-4 | 677 (2.4%) | 787 (0.9%) | ||
| VT/VF T2FS 4-5 | 347 (1.2%) | 543 (0.6%) | ||
| VT/VF T2FS >5min | 920 (3.2%) | 1992 (2.2%) | ||
| Unknown | 3470 (12.2%) | 8186 (9.2%) | ||
| Duration of Resuscitation, minutes, median (IQR) | 7 (3-14) | 11 (6-21) | <0.001 | |
| Hospital Location | ||||
| Telemetry | 7706 (27.1%) | 15408 (17.3%) | <0.001 | |
| Intensive Care Unit | 15063 (53.0%) | 55856 (62.6%) | ||
| Inpatient | 5640 (19.8%) | 18001 (20.2%) | ||
| Time and Day of Arrest | ||||
| Night | 8255 (29.1%) | 29980 (33.6%) | <0.001 | |
| Weekend | 8220 (28.9%) | 28476 (31.9%) | <0.001 | |
| Use of AED | ||||
| Yes | 6450 (22.7%) | 21063 (23.6%) | 0.002 | |
| No | 13795 (48.6%) | 43232 (48.4%) | ||
| Not used-by-facility/NA | 8164 (28.7%) | 24970(28.0%) | ||
| CPC Score prior to arrest | <0.001 | |||
| 1 | 19261 (67.8%) | 35609 (39.9%) | ||
| 2 | 5250 (18.5%) | 16291 (18.3%) | ||
| 3 | 1017 (3.6%) | 9559 (10.7%) | ||
| 4 or 5 | 720 (2.5%) | 5585 (6.3%) | ||
| Missing | 2161 (7.6%) | 22221 (24.9%) |