Patient demographics for all patients and for the tPA-treated subgroup
| Variable | All Patients(n = 55) | Treated Patients Only(n = 22) |
|---|---|---|
| Age (y) | ||
| Mean ± SD | 66.4 ± 16.1 | 67.9 ± 17.9 |
| Range | 26–91 | 31–91 |
| Sex (M:F) | 41:15 | 14:8 |
| No. treated with tPA | 22 | 22 |
| Onset-to-imaging time (h) | ||
| Mean ± SD | 4.2 ±2.1 | 3.7 ±1.3 |
| Range | 1.5–13.5 | 1.5–6.8 |
| Pre- to postcontrast imaging interval (min) | ||
| Mean ± SD | 26.3 ±7.1 | 27.1 ±6.6 |
| Range | 8–53 | 18–44 |
| NIHSS score at baseline | ||
| Median (50% range) | 9(4–15) | 12.5(9–16) |
| Range | 0–28 | 2–28 |
| NIHSS score at 24 hours | ||
| Median (50% range) | 4(2–9) | 8(4.5–10.75) |
| Range | 0–28 | 0–26 |