Table 2.

Event Characteristics

	White	Black	P
Type of Initial Rhythm			<0.001
Asystole	27312 (47.8)	8602 (44.7)
PEA	29837 (52.2)	10634 (55.3)
Location at Time of Arrest			<0.001
ICU	32773 (57.3)	11063 (57.5)
General Floor	12127 (21.2)	4494 (23.4)
Telemetry Floor	12248 (21.4)	3678 (19.1)
Code duration, median (Q25–75), min
Overall	17 (10–27)	17 (10–27)	0.20
Achieved ROSC (Q25–75)	14 (7–26)	14 (7–25)	0.54
No ROSC (Q25–75)	19 (13–28)	20 (13–28)	0.003
Asystole (Q25–75)	16 (10–26)	17 (10–25)	0.01
PEA (Q25–75)	17 (9–28)	17 (9–27)	0.57
Epinephrine boluses, median (Q25–75), n
Overall	3 (2–4)	3 (2–4)	<0.001
Achieved ROC	2 (1–3)	2 (1–4)	<0.001
No ROC	3 (2–5)	3 (3–5)	<0.001
Weekend Arrest	18552 (36.2)	6186 (36.0)	0.72
Night Arrest	20717(36.5)	6566(34.4)	<0.001
Witnessed Arrest	45028(78.8)	14829(77.1)	<0.001
Hospital Wide Arrest Response Team	49636(86.9)	15951(82.9)	<0.001

All results shown as n (%) unless otherwise indicated. Abbreviations: PEA- Pulseless Electrical Activity; ICU- Intensive Care Unit; ROSC- Return of Spontaneous Circulation