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Table 1 Patient demographics and ICAS characteristics*

From: Computational fluid dynamics of computed tomography angiography to detect the hemodynamic impact of intracranial atherosclerotic stenosis

Patient # Gender Age ICAS   Proximal vessel diameter (mm) Proximal pressure (mmHg) Distal pressure (mmHg) Pressure ratio Pressure gradient (mmHg/cm)
Location Anatomic severity (%) Length (mm)
1 M 44 MCA-M1 50 20 3.5 118 104 0.88 7
2 M 68 MCA-M1 51 11 2.7 118 107 0.91 10
3 M 51 MCA-M1 53 13 2.9 119 102 0.86 13
4 M 61 MCA-M1 70 10 2.7 120 29 0.24 93
5 F 74 MCA-M1 78 14 3.0 119 −184 −1.55 223
6 F 65 MCA-M1 79 9 2.5 120 −156 −1.30 300
7 M 62 MCA-M1 80 17 3.5 117 −8,847 −75.70 5,382
8 M 69 ICA distal 50 10 4.2 120 118 0.98 2
9 M 50 BA 62 5 3.4 116 67 0.58 98
  1. *Patients are listed in the table by the lesion location and sequentially arranged according to the degree of luminal stenosis (%) of the lesions.
  2. ICAS indicates intracranial atherosclerotic stenosis; MCA-M1, M1 segment of middle cerebral artery; ICA, internal carotid artery; BA, basilar artery.