Table 3.
Etiology of cardiac arrests by hospital day.
| No. (%)
|
p value | ||||
|---|---|---|---|---|---|
| HD1 (n = 193)b | HD2–7 (n = 206)b | HD>7 (n = 228)b | Total (n = 627) | ||
| Ventilation | 49 (25.4) | 79 (38.3) | 114 (50) | 242 (38.6) | <0.001 |
| Intubated | 6 (3.1) | 11 (5.3) | 18 (7.9) | 35 (5.6) | 0.044 |
| Non-intubated | 40 (20.7) | 62 (30.1) | 79 (34.6) | 181 (28.9) | 0.002 |
| Tracheostomy | 1 (0.5) | 4 (1.9) | 9 (3.9) | 14 (2.2) | 0.03 |
| Rapid sequence intubation | 2 (1) | 2 (1) | 8 (3.5) | 12 (1.9) | 0.05 |
| Circulation | 69 (35.8) | 62 (30.1) | 66 (28.9) | 197 (31.4) | 0.829 |
| Sepsis | 37 (19.2) | 36 (17.5) | 37 (16.2) | 110 (17.5) | 0.991 |
| Hemorrhage | 13 (6.7) | 10 (4.9) | 14 (6.1) | 37 (5.9) | 0.704 |
| Pulmonary embolus | 7 (3.6) | 6 (2.9) | 4 (1.8) | 17 (2.7) | 0.662 |
| Cardiac dysfunction | 12 (6.2) | 10 (4.9) | 11 (4.8) | 33 (5.3) | 0.913 |
| Dysrhythmia | 65 (33.7) | 45 (21.8) | 37 (16.2) | 147 (23.4) | 0.014 |
| VF/VTa | 44 (22.8) | 40 (19.4) | 26 (11.4) | 110 (17.5) | 0.087 |
| Vagal | 21 (10.9) | 5 (2.4) | 11 (4.8) | 37 (5.9) | 0.005 |
| Neurological | 6 (3.1) | 9 (4.4) | 2 (0.9) | 17 (2.7) | 0.113 |
| Unknown | 4 (2.1) | 11 (5.3) | 9 (3.9) | 24 (3.8) | 0.197 |
a
VF/VT, ventricular fibrillation/ventricular tachycardia.
b
HD1 was defined as cardiac arrest event occurring on hospital day 1, HD2–7 as event on days 2–7, and HD>7 as event after 1 week of hospitalization.