Table 3.
Factors associated with IV-tPA receipt among patients arriving by EMS in multivariate model (n=2,678).
| Covariate | Estimate (95% Confidence Interval) |
p-value |
|---|---|---|
| EMS Prenotification | 1.75 (1.36,2.24) |
<0.01 |
| National Institutes of Health Stroke Scale | 1.07 (1.02,1.11) |
<0.01 |
| Calendar Year of Admission | 1.06 (0.84,1.33) |
<0.61 |
| Last Known Well to ED Arrival | 0.24 (0.18,0.34) |
<0.01 |
| ED Arrival to CT Imaging | 0.75 (0.65,0.86) |
<0.01 |
| Health Insurance (ref=Private) | ||
| Medicare | 1.07 (0.56,2.05) |
<0.82 |
| Medicaid | 0.60 (0.32,1.12) |
<0.11 |
| No Insurance | 0.96 (0.51,1.82) |
<0.91 |
| Age Group (ref=18–44 Years) | ||
| 45–54 Years | 0.84 (0.52,1.36) |
<0.49 |
| 55–64 Years | 0.60 (0.45,0.78) |
<0.01 |
| 65+ Years | 0.30 (0.25,0.36) |
<0.01 |
| Race/ Ethnicity (ref=White, Non-Hispanic) | ||
| Black, Non-Hispanic | 1.06 (0.71,1.61) |
<0.74 |
| Asian, Non-Hispanic | 1.79 (1.36,2.37) |
<0.01 |
| Hispanic | 2.02 (1.51,2.71) |
<0.01 |
| Other, Non-Hispanic | 1.36 (0.96,1.92) |
<0.08 |
| Sex (Female) | 0.78 (0.59,1.03) |
<0.08 |
| Pre or In-Hospital Delay | 0.16 (0.11,0.24) |
<0.01 |
EMS = emergency medical services; ED = emergency department; CT = computed tomography.