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Table 1: 
Characteristics and outcomes of patients with ischemic stroke
CharacteristicAll (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 ± 14.764.8 ± 16.369.6 ± 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 artery72.4% (76/105)76.3% (42/55)68.0% (34/50)
P = .34
 Posterior cerebral artery12.4% (13/105)7.3% (4/55)18.0% (9/50)
P = .10
 Internal carotid artery11.4% (12/105)10.9% (6/55)12.0% (6/50)
P = .63
 Basilar artery3.8% (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.