Association between Shock Index and Emergency Department Cardiac Arrest

Table 1

Demographics of patients who developed cardiac arrest in the emergency department.

Shock index	n = 3,313
Age	67.4 ± 15.7
Male	2,102 (63.4%)
Vital sign at triage
Body temperature (°C)	36.2 ± 0.8
Heart rate (times/min)	101 ± 20
Systolic blood pressure (mmHg)	120 ± 26
Diastolic blood pressure (mmHg)	72 ± 16
Oxygen saturation (%)	93 ± 7
Shock index ≥0.9	1,909 (57.6%)
Systolic blood pressure <90 mmHg	1,348 (40.7%)
Etiology of cardiac arrest
Hypoxia	547 (16.5%)
Cardiac cause	1120 (33.8%)
Bleeding	253 (7.6%)
Sepsis	452 (13.6%)
Other metabolic problem	941 (28.4%)
In-hospital mortality	2,585 (78.0%)