Table 1.
Baseline clinical characteristics
| Study cohort (n = 59) | |
|---|---|
| Clinical characteristics | |
| Age (yr)–median (IQR) | 71 (57–77) |
| Female–n (%) | 35 (59) |
| NIHSS score–median (IQR) [known in] | 15 (9–18) [n = 55] |
| ASPECTS–median (IQR) [known in] |
8 (7–10) [n = 27] |
| IVT administered–n (%) | 28 (47) |
| Onset-to-imaging time (min)–median (IQR) [known in] | 83 (58–189) [n = 57] |
| Imaging-to-reperfusion time (min)–median (IQR) [known in] | 83 (62–115) [n = 58] |
| Onset-to-groin time (min)–median (IQR) [known in] | 140 (103–233) [n = 49] |
| Imaging characteristics | |
| Occlusion location on baseline CTA–n (%) | |
| Intracranial ICA | 1 (2) |
| ICA-bifurcation | 9 (15) |
| M1 | 41 (70) |
| M2 | 2 (3) |
| Tandem | 6 (10) |
| Collateral status–n (%) [known in] | [n = 21] |
| 0 | 2 (3) |
| 1 | 7 (12) |
| 2 | 6 (10) |
| 3 | 6 (10) |
| Median baseline ischemic core volume on CTP (mL);–median (IQR) | 16 (8–47) |
| Posttreatment recanalization rate (eTICI) | |
| 2b | 19 (32) |
| 2c | 10 (17) |
| 3 | 30 (51) |
| Follow-up DWI infarct volume (mL)–median (IQR) | 11 (6–42) |
| Percentage of CTP-estimated ischemic core in DWI lesion (%)–median (IQR) | 75 (31–218) |
| Median time between baseline CTP and follow-up DWI (hours)–median (IQR) | 23 (18–34) |
ASPECTS Alberta Stroke Program Early CT Score, CTA CT angiography, CTP CT perfusion, DWI diffusion-weighted imaging, eTICI expanded Treatment in Cerebral Infarction, ICA = internal carotid artery, IQR interquartile range, IVT intravenous alteplase, NIHSS National Institutes of Health Stroke Scale. If the [known in] number is not shown, the variable was known in all patients