Table 1.

Characteristics of the OSA sample in the period between April 1, 2012 and March 31, 2013

Characteristic	Inpatient (n = 9,658)		ED (n = 4,850)
	n	%	n	%
Sex
Female	4,716	48.8	2,506	51.7
Male	4,942	51.2	2,344	48.3
Age group
18–54 years	1,022	10.6	538	11.1
55–64 years	1,430	14.8	813	16.8
65–74 years	2,082	21.6	1,136	23.4
75–84 years	2,890	29.9	1,411	29.1
>85 years	2,234	23.1	952	19.6
Stroke subtype
Ischemic	7,079	73.3	1,020	21.0
TIA	1,575	16.3	3,780	77.9
ICH	1,004	10.4	50	1.0
Diagnostic and therapeutic intervention
CT scan of the brain	9,548	98.9	4,339	89.5
MRI scan of the brain	3,378	35.0	126	2.6
Carotid imaging	7,237	74.9	448	9.2
Echocardiogram	6,267	64.9	41	0.9
tPA	1,204	12.5	–	–
Hospital type
RSC (n = 11)	3,853	39.9	1,560	32.2
DSC (n = 17)	3,022	31.3	1,389	28.6
Nondesignated hospital (n = 63)	2,317	24.0	1,656	34.1
Telestroke hospitala (n = 8)	466	4.8	245	5.1

– = Not applicable.

^aHospital is also nondesignated.