Table 1.
Characteristics of WUS and DUS patients
| All cases (n = 61) | WUS (n = 42) | DUS (n = 19) | P value for differences DUS–WUS | |
|---|---|---|---|---|
| Age, median (SD) | 72 (15) | 70 (15) | 78 (14) | p = 0.06 (t) |
| Female sex, n (%) | 35 (57%) | 23 (55%) | 12 (63%) | p = 0.59 (Χ) |
| Prestroke mRS ≥3, n (%) | 4 (7%) | 3 (7%) | 1 (5%) | p = 1.0 (Χ) |
| Posterior circulation ischemia, n (%) | 8 (13%) | 5 (12%) | 3 (16%) | p = 0.70 (Χ) |
| Time between LSW and presentation at ED in minutes, mean (SD) | 461 (137) | 506 (135) | 362 (75) | p < 0.01 ( t ) |
| NIHSS at presentation, median (SD) | 5 (3.7) | 5 (3.9) | 6 (3.3) | p = 0.61 (t) |
| Imaging characteristics for anterior circulation ischemia (n = 53) | ||||
| ASPECTS, median (SD) | 10 (1.7) | 10 (1.4) | 10 (2.2) | p = 0.21 (t) |
| Collateral supply <50%, n (%) | 3 (7%) | 2 (7%) | 1 (8%) | p = 1.0 (Χ) |
| Therapy eligibility | ||||
| Eligible for IVTa, n (%) | 49 (80%) | 34 (81%) | 15 (79%) | |
| Eligible for IATa, n (%) | 9 (15%) | 7 (17%) | 2 (11%) | |
| IAT performed, n | 4 (44%) | 3 (43%) | 1 (50%) | |
| Outcome | ||||
| Good outcome (mRS ≤2) after 90 days, n (%) | 26 (43%) | 22 (52%) | 4 (22%) | p = 0.05 ( Χ ) |
Significant p values <0.05 are shown in bold
aEligibility is assessed using the currently accepted criteria excluding the criterion of time window <4.5 h (IVT) or <6 h (IAT)
(t) independent t test, (Χ) Chi-square test