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Table 1 Demographic and clinical characteristics of patients in CTA and CTP group

From: Comparison of time consumption and success rate between CT angiography- and CT perfusion- based imaging assessment strategy for the patients with acute ischemic stroke

Variables

[Median (IQR) or N (%)]

CTA group

(N = 302)

CTP group

(N = 135)

Age, years

70 (61–77)

67 (60–75)

Sex, male

181 (60%)

82 (61%)

Baseline NIHSS

12 (7–19)

13 (9–17)

Time interval from onset to imaging, hours

2.5 (1.5–3.5)

6 (5–8.5)

Patients awakened with stroke symptoms

0 (0%)

32 (24%)

Treatment

  

-Intravenous tPA

152 (50%)

32 (24%)

-EVT

89 (30%)

87 (64%)

-Intravenous tPA + EVT

61 (20%)

16 (12%)

Occlusion site

  

-ICA or MCA

206 (68%)

97 (72%)

-Basilar

21 (7%)

10 (7%)

-Other site

75 (25%)

28 (21%)

  1. CTA indicates computed tomography angiography; CTP, computed tomography perfusion; NIHSS, National Institutes of Health Stroke Scale; IQR, interquartile range; SD, standard deviation; MCA, middle cerebral artery; ICA, internal carotid artery