Table 4.
Comparison of demographic characteristics and clinical presentation between patients with and without extensive PVS
| Characteristics | Extensive PVS (n=30) | Non-extensive PVS (n=17) | p | |
|---|---|---|---|---|
| Baseline | Age (years) | 54.2±11.7 | 62.8±10.1 | 0.013 |
| Male sex | 83.3% (25/30) | 70.6% (12/17) | 0.460 | |
| Onset-to-MRI time (min) | 268.2±104.4 | 222.3±67.8 | 0.163 | |
| NIHSS | 8 (4, 12) | 4 (2, 7) | 0.013 | |
| Volume 1 (mL) | 10.0 (4.1, 35.1) | 2.67 (0.7, 11.1) | 0.019 | |
| ICA/MCA TIMI 0–1 | 86.7% (26/30) | 82.4% (14/17) | 0.692 | |
| SVS positive | 56.7% (17/30) | 64.7% (11/17) | 0.589 | |
| SVS length (mm) | 15.8±7.7 | 13.8±3.9 | 0.366 | |
| Reperfusion therapy | 60.0% (18/30) | 35.3% (6/17) | 0.104 | |
| 7-day follow-up | NIHSS (n=45) | 4 (1, 9) | 2 (1, 7) | 0.263 |
| 7-day good outcome (n=46) | 44.8% (13/29) | 58.8% (10/17) | 0.359 | |
| Volume 2 (mL) (n=46) | 34.1 (10.2, 88.7) | 21.5 (7.3, 51.2) | 0.153 | |
| Infarct growth (mL) (n=46) | 15.8 (1.5, 46.7) | 12.8 (2.2, 30.1) | 0.596 | |
| HT (PH1+PH2) | 23.3% (7/30) | 18.8% (3/16) | 1.000 | |
| ICA/MCA TIMI 2–3 | 66.7% (20/30) | 64.7% (11/17) | 0.892 |
Data are presented as mean±SD, median (interquartile range), or percentage (number/total).
PVS, prominent vessel sign; MRI, magnetic resonance imaging; NIHSS, National Institutes of Health Stroke Scale; ICA, internal carotid artery; MCA, middle cerebral artery; TIMI, thrombolysis in myocardial infarction; SVS, susceptibility vessel sign; HT, hemorrhagic transformation; PH1, parenchymal hematoma type 1; PH2, parenchymal hematoma type 2.