Table 1.

Characteristics of study sample.

2009–2011 OHCA Descriptive Statistics (n = 887)		n (%)
Mean age	60.9 years
Race	Hispanic	99 (11.2)
	White	276 (31.1)
	Black	117 (13.2)
	Asian	10 (1.2)
	American Indian	10 (1.2)
	Native Hawaiian	2 (0.1)
	Unknown	373 (42.0)
Bystander CPR	Lay person medical provider	15 (1.7)
	Lay person family member	78 (8.8)
	Layperson	62 (7.0)
	EMS personnel	59 (6.6)
	First responder	558 (63.0)
	Responding EMS personnel	108 (12.2)
	Arrest after EMS arrived	7 (0.7)
AED used	Yes	236 (26.6)
	No	80 (9.0)
	Present but not used	264 (29.8)
	Unknown	307 (34.6)
Survival to discharge	Discharged alive	94 (10.6)
	Died in hospital	167 (18.8)
	Patient made DNR	14 (1.6)
	Unknown	2 (0.2)
	Not applicable	610 (68.8)
Neurological outcome	Good cerebral performance	71 (8.0)
	Moderate cerebral disability	20 (2.3)
	Severe cerebral disability	4 (0.5)
	Coma, vegetative state	2 (0.1)
	Not applicable	790 (89.1)