Table 1:

Clinical characteristics of the patients

Model Development
Training Data SetValidation Data SetTotal
No. of patients199198397
Age (mean) (yr)66.36 (SD, 14.02)67.58 (SD, 13.56)66.97 (SD, 13.79)
Female87 (43.7%)86 (43.4%)173 (43.6%)
Clinical validation
    No. of patients123
    Age (mean) (yr)72.85 (SD, 11.24)
    No. women51 (41.5%)
Reason for fast stroke MR imaging
    Mental change53 (43.1%)
    Right-sided weakness12 (9.8%)
    Left-sided weakness18 (14.6%)
    Dysarthria23 (18.7%)
    Dizziness3 (2.4%)
    Facial palsy4 (3.3%)
    Visual disturbance3 (2.4%)
    Seizure5 (4.1%)
    Syncope2 (1.6%)
Acute ischemic stroke
    None67 (54.5%)
    ACA territory4 (3.3%)
    MCA territory30 (24.4%)
    PCA territory2 (1.6%)
    BA/VA territory12 (9.8%)
    Multiterritorial8 (6.5%)
LVO
    None98 (79.7%)
    ICA9 (7.3%)
    ACA1 (0.8%)
    MCA (M1)6 (4.9%)
    MCA (M2)6 (4.9%)
    PCA1 (0.8%)
    BA/VA2 (1.6%)
No. performing DSA10 (8.1%)

  • Note:—ACA indicates anterior cerebral artery; VA, vertebral artery.