TABLE 1.
Characteristics of ICU-Cardiac Arrests Before and After the Comprehensive Trigger and Response Intervention
| Variable | Preintervention (n = 43) | Intervention Period (n = 59) | p |
|---|---|---|---|
| Demographics | |||
| Age (mean [sd]) | 66.5 (15.1) | 68.6 (16.3) | 0.51 |
| Sex (n [%], female) | 15 (34.9) | 16 (27.1) | 0.51 |
| Race (n [%])a | |||
| White | 22 (64.7) | 28 (62.2) | 0.08 |
| Black | 10 (29.4 | 7 (15.6) | |
| Other | 2 (5.9) | 10 (22.2) | |
| Arrest characteristics | |||
| Location (n [%]) | |||
| Cardiac care unit eight beds | 10 (23.3) | 19 (32.2) | 0.29 |
| Cardiac surgery | 2 (4.7) | 6 (10.2) | |
| Medical ICU 28 beds | 18 (41.9) | 24 (40.7) | |
| Neuroscience ICU eight beds | 1 (2.3) | 1 (1.7) | |
| Surgical ICU eight beds | 8 (18.6) | 3 (5.1) | |
| Trauma surgical ICU 10 beds | 4 (9.3) | 6 (10.2) | |
| Initial rhythm (n [%], shockable)b | 11 (25.6) | 10 (17.5) | 0.46 |
| Duration of resuscitative efforts (min, median [IQR]) | 12 (4–27) | 9 (4–20) | 0.33 |
| Time from ICU admission until arrest (hr, median [IQR]) | 50.0 (9.5–156.8) | 43.3 (9.2–119.3) | 0.92 |
| Outcomes | |||
| Return of spontaneous circulation (n [%], achieved) | 27 (62.8) | 40 (67.8) | 0.68 |
| Survival to hospital discharge (n [%]) | 10 (23.3) | 14 (23.8) | > 0.999 |
IQR = interquartile range.
aNine missing values (21.0%) of race in the preintervention data, and 14 (23.8%) missing values of race in the intervention data excluded from calculation of percentages in table.
bTwo missing values (3.4%) of shock status in the intervention data omitted from calculation of percentages in table.