Table 2.

Demographics and baseline characteristics according to group.

Characteristic	Community tPA Group (n = 273)	NINDS tPA Group (n = 312)	NINDS Placebo Group (n = 312)
Age (yr)	68 ± 15	68 ± 11	66 ± 12
Race or ethnic Group (%)
White, non-Hispanic	86	66	63
Black or African American	11	26	29
Hispanic	1	6	6
Asian	1	2	0
Other	2	0	2
Female sex (%)	45	43	41
Medical histories (%)
Stroke	16	14	12
TIA	15	17	17
Diabetes	22	22	20
Hypertension	72	67	66
Atrial fibrillation	23	19	18
Congestive heart failure	11	15	18
Valvular heart disease	8	8	6
Smoking in year before stroke	27	34	36
Anti-platelet drug use	43	41	29
NIHSS (estimated)
Median	13	14	15
Minimum	2	1	1
First quartile	8	8	9.75
Third quartile	17	19	20
Maximum	32	37	33
Blood pressure (mm Hg)
Systolic	150 ± 22	154 ± 22	153 ± 21
Diastolic	77 ± 15	85 ± 13	86 ± 13
Glucose (mg/dl)	131 ± 51	149 ± 71	151 ± 78

^*Plus-minus values are means ± SD. Because of rounding, not all columns total 100%.

NIHSS = National Institutes of Health Stroke Scale