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. 2023 Jul 10;80(8):824–832. doi: 10.1001/jamaneurol.2023.2094

Table 1. Baseline Characteristics of Patients With Large Vessel Occlusion.

No. (%) P value
IV tenecteplase (n = 263) IV alteplase (n = 257)
Baseline characteristics
Age, median (IQR), y 74 (65-84) 73 (63-83) .38
Female 143 (54.4) 140 (54.5) .99
Male 120 (46.6) 117 (46.5)
Baseline NIHSS score, median (IQR) 17 (11-22) 17 (12-22) .60
Workflow times, min
Onset to hospital arrival (n = 518) 72 (47-115) 75 (52-129) .29
Onset to needle (n = 515) 106 (84-150) 111 (86-177) .18
Imaging to arterial access (in patients undergoing EVT [n = 408]) 57 (40-84) 55 (40-79) .42
Arterial access to successful reperfusion (in patients undergoing EVT [n = 345]) 35 (22-57) 33.5 (20-49) .10
Needle to reperfusion assessment (in patients undergoing EVT [n = 473]) 57 (39-83) 52 (35-77) .17
Needle to first successful reperfusion (in patients undergoing EVT [n = 342]) 80.5 (57-114) 75.5 (53.5-103.5) .23
Type of enrolling center
Primary stroke 15 (5.7) 15 (5.8) .99
Comprehensive stroke 248 (94.3) 242 (94.2)
EVT utilization 207 (78.7) 201 (78.2) .92
Imaging characteristics
Occlusion location
ICA 69 (26.2) 66 (25.7) .26
M1-MCA 118 (44.9) 119 (46.3)
M2-MCA 65 (24.7) 52 (20.2)
Basilar artery 11 (4.2) 20 (7.8)
Carotid tandem lesion (n = 517) 61 (23.5) 47 (18.3) .16
Collateral grade (anterior circulation occlusions [n = 486]), No. 251 235 .54
Poor 32 (12.7) 31 (13.2)
Intermediate 142 (56.6) 122 (51.9)
Good 77 (30.7) 82 (34.9)
ASPECTS, median (IQR) 8 (7-10) 8 (7-10) .43

Abbreviations: ASPECTS, Alberta Stroke Program Early Computed Tomography Score; EVT, endovascular thrombectomy; ICA, intracranial internal carotid artery; IV, intravenous; M1-MCA, first segment of the middle cerebral artery; M2-MCA, second segment of the middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale.