Table 3.

Study population and hospital-based data on 69/70 acute care hospitals in Massachusetts.

	Total N=10045
Patient Characteristics and Outcomes
Age,* yrs	74.9 (13.7)
Female, n (%)	5505 (54.8)
Race/Ethnicity, n (%)
White	8795 (87.6)
Black	516 (5.1)
Hispanic (any race)	293 (2.9)
Symptom duration,*# mins	129 (56, 720)
Patient arrival via EMS, n (%)	7322 (73.2)
IV tPA administered, n (%)	946 (9.42)
Thrombolytic complications, n (%)	58/946 (6.1)
Discharged to home n (%),	3463 (34.5)
Died or discharged to hospice, n (%)	951 (9.5)
Hospital-Level Data
Number of beds*	152 (105–225)
Number of patients*	53 (23–75)
Percent of patients arriving ≤2 hours treated with IV tPA	20% (13%, 32%)

^*expressed as mean (standard deviation) or median (interquartile range)

^#time from onset to ED arrival

Abbreviations: ED – emergency department, EMS – emergency medical services, min – minutes, IV tPA – intravenous thrombolysis with tissue plasminogen activator