Table 1:

Summary of admission, demographic, clinical, and radiographic characteristics of patients with SAH^a

	Patients with SAH (n = 33)	Controls (n = 66)	P Value
Basic and demographic data
Age (yr)	59 (44.5–66)	49 (43.4–53.2)	<.001b
Female sex	16 (48.5%)	41 (62.1%)	.196
Race
Caucasian	25 (75.8%)	47 (72.3%)	.343
Black	8 (24.3%)	14 (21.5%)
Other	0	4 (6.2%)
History of smoking	21 (63.6%)	34 (51.5%)	.253
History of alcohol abuse	7 (22.6%)	10 (15.2%)	.370
Hypertension	14 (45.2%)	33 (50.0%)	.657
Diabetes	4 (12.9%)	14 (21.2%)	.326
Hyperlipidemia	12 (38.7%)	24 (36.4%)	.824
Aspirin use	10 (31.3%)	22 (33.3%)	.837
History of ischemic stroke	1 (3.0%)	0	–
History of intracranial hemorrhage	0	0	–
History of head trauma	0	0	–
History of brain tumor	0	0	–
Family history of aneurysm	4 (13.3%)	0	–
Cocaine use within 24 hr of ictus	1 (3.0%)	0	–
Admission clinical and radiographic data
Premorbid modified Rankin Scale score29	0 (0–0)
HH grade12
1	5 (15.2%)
2	14 (42.4%)
3	6 (18.2%)
4	5 (15.2%)
5	3 (9.1%)
Glasgow Coma Score	15 (11.5–15)
APACHE II score30	7 (3–10)
Modified Fisher grade15
1	4 (12.1%)
2	2 (6.1%)
3	18 (54.5%)
4	9 (27.3%)
Hijdra sum score31	13.5 (6–21)
Cerebral edema on admission CT	8 (25.0%)
External ventricular drain placed	14 (42.4%)

Note:—APACHE II indicates Acute Physiology and Chronic Health Evaluation II.

^aValues are reported as No. (%) or median (interquartile range). Comparative basic and demographic data are provided for controls.

^bStatistical significance.