Characteristics and outcomes of patients with ischemic stroke
| Characteristic | All (n = 105) | Endovascular Intervention (n = 55) | Nonintervention (n = 50) |
|---|---|---|---|
| Male sex (%) | 46.7% (49/105) | 50.9% (28/55) | 42.0% (21/50) |
| P = .36 | |||
| Age (mean) (yr) | 67.1 ± 14.7 | 64.8 ± 16.3 | 69.6 ± 12.6 |
| P = .09 | |||
| NIHSS score (median) (IQR) | 11.0 (6.0–17.0) | 12.0 (9.0–19.0) | 6.5 (4.0–14.8) |
| P = .003 | |||
| Site of occlusion | |||
| Middle cerebral artery | 72.4% (76/105) | 76.3% (42/55) | 68.0% (34/50) |
| P = .34 | |||
| Posterior cerebral artery | 12.4% (13/105) | 7.3% (4/55) | 18.0% (9/50) |
| P = .10 | |||
| Internal carotid artery | 11.4% (12/105) | 10.9% (6/55) | 12.0% (6/50) |
| P = .63 | |||
| Basilar artery | 3.8% (4/105) | 5.5% (3/55) | 2.0% (1/50) |
| P = .36 | |||
| Time from onset of stroke to perfusion imaging (median) (IQR) (min) | 267.0 (116.0–710.0) | 171.0 (91.0–364.0) | 629.0 (147.5–976.8) |
| P < .001 | |||
| Time from onset of stroke to reperfusion (median) (IQR) (min) | – | 243.0 (157.5–526.0) | – |
| Time from perfusion imaging to recanalization (median) (IQR) (min) | – | 64.0 (52.0–104.0) | – |
| Default Vitrea infarct volume (median) (IQR) (mL) | 6.7 (2.0–24.0) | 4.7 (1.3–19.4) | 6.8 (3.3–25.4) |
| CBV Vitrea infarct volume (median) (IQR) (mL) | 6.5 (1.0–17.3) | 4.0 (0.7–15.9) | 8.5 (3.2–21.0) |
| CBF Vitrea infarct volume (median) (IQR) (mL) | 2.5 (0.1–15.4) | 0.3 (0.0–8.4) | 6.6 (1.4–18.4) |
| RAPID infarct volume (median) (IQR) (mL) | 6.0 (0.0–17.0) | 0.0 (0.0–16.5) | 28.0 (4.0–90.0) |
| Posttreatment reperfusion | |||
| TICI 2b | – | 38.2% (21/55) | – |
| TICI 2c | – | 25.5% (14/55) | – |
| TICI 3 | – | 36.4% (20/55) | – |
| Final FLAIR MR imaging infarct volume (median) (IQR) (mL) | 9.8 (3.2–25.1) | 11.8 (4.4–32.4) | 7.4 (2.7–18.4) |
| Final DWI MR imaging infarct volume (median) (IQR) (mL) | 9.8 (2.3–25.7) | 11.8 (3.2–36.0) | 6.7 (2.0–17.7) |
Note:—IQR indicates interquartile range; –, indicates data that was not obtained for the nonintervention patients and that cannot be quantified for all patients.