Clinical characteristics of the patients
| Model Development | |||
|---|---|---|---|
| Training Data Set | Validation Data Set | Total | |
| No. of patients | 199 | 198 | 397 |
| Age (mean) (yr) | 66.36 (SD, 14.02) | 67.58 (SD, 13.56) | 66.97 (SD, 13.79) |
| Female | 87 (43.7%) | 86 (43.4%) | 173 (43.6%) |
| Clinical validation | |||
| No. of patients | 123 | ||
| Age (mean) (yr) | 72.85 (SD, 11.24) | ||
| No. women | 51 (41.5%) | ||
| Reason for fast stroke MR imaging | |||
| Mental change | 53 (43.1%) | ||
| Right-sided weakness | 12 (9.8%) | ||
| Left-sided weakness | 18 (14.6%) | ||
| Dysarthria | 23 (18.7%) | ||
| Dizziness | 3 (2.4%) | ||
| Facial palsy | 4 (3.3%) | ||
| Visual disturbance | 3 (2.4%) | ||
| Seizure | 5 (4.1%) | ||
| Syncope | 2 (1.6%) | ||
| Acute ischemic stroke | |||
| None | 67 (54.5%) | ||
| ACA territory | 4 (3.3%) | ||
| MCA territory | 30 (24.4%) | ||
| PCA territory | 2 (1.6%) | ||
| BA/VA territory | 12 (9.8%) | ||
| Multiterritorial | 8 (6.5%) | ||
| LVO | |||
| None | 98 (79.7%) | ||
| ICA | 9 (7.3%) | ||
| ACA | 1 (0.8%) | ||
| MCA (M1) | 6 (4.9%) | ||
| MCA (M2) | 6 (4.9%) | ||
| PCA | 1 (0.8%) | ||
| BA/VA | 2 (1.6%) | ||
| No. performing DSA | 10 (8.1%) | ||
Note:—ACA indicates anterior cerebral artery; VA, vertebral artery.