TABLE 1.
Population characteristics of patients with AIS in the training and validation sets.
| Characteristics | Training (n = 110) | Validation (n = 80) | p-value |
| Age (years), median (IQR) | 62 (50.75, 70.25) | 58 (50, 68) | 0.586 |
| Male sex, n (%) | 78 (70.9%) | 61 (76.3%) | 0.412 |
| Risk factors, n (%) | |||
| Hypertension | 69 (62.7%) | 52 (65.0%) | 0.748 |
| Diabetes mellitus | 28 (25.5%) | 15 (18.8%) | 0.276 |
| Hyperlipidemia | 6 (5.5%) | 6 (7.5%) | 0.567 |
| Coronary heart disease | 9 (8.2%) | 7 (8.8%) | 0.889 |
| Smoking | 35 (31.8%) | 28 (35.0%) | 0.646 |
| Alcohol consumption | 29 (26.4%) | 14 (17.5%) | 0.149 |
| Previous stroke attack, n (%) | 16 (14.5%) | 11 (13.8%) | 0.877 |
| Interval from ictus to MR (hours) | 26.50 ± 15.77 | 28.69 ± 14.36 | 0.627 |
| Orthogonal diameter of the lesion, median (IQR) | 2.47 (1.14, 6.66) | 3.82 (1.51, 8.73) | 0.107 |
| Admission NIHSS, median (IQR) | 3 (2, 6.25) | 4 (2, 8) | 0.077 |
| Fazekas scores, median (IQR) | 2.5 (1, 4) | 2 (1, 3) | 0.305 |
| Admission DWI-ASPECTS, median (IQR) | 9 (8, 9) | 8 (7, 9) | 0.105 |
| mRS at 90 days, median (IQR) | 2 (1,3) | 1 (1,3) | 0.200 |
| mRS > 2, n (%) | 30 (27.27%) | 21 (26.25%) | 0.875 |
DWI-ASPECTS, diffusion-weighted imaging-Alberta Stroke Program Early CT Score; mRS, modified Rankin score; n, number; NIHSS, National Institute of Health Stroke Scale.