Table 2.
Baseline patient characteristics stratified by DWI result (n = 103).
| DWI+ (n = 28) |
DWI− (n = 75) |
p ∗ | |
|---|---|---|---|
| Women | 8 (29) | 29 (39) | 0.34 |
| Age, mean (SD) | 66.7 (8.5) | 65.6 (9.3) | 0.60 |
| Level of education, median (IQR) | 5 (3) | 5 (2) | 0.10 |
| TIA | 23 (82) | 42 (56) | 0.01 |
| Hypertension | 25 (89) | 60 (80) | 0.27 |
| Dyslipidemia | 18 (64) | 53 (71) | 0.53 |
| Diabetes mellitus | 2 (7) | 7 (9) | 0.73 |
| Atrial fibrillation | 3 (11) | 10 (13) | 0.72 |
| Smoking | 13 (46) | 17 (23) | 0.02 |
| Diffusion-weighted imaging lesions, total n | 45 | N/A | N/A |
| Lesion type | |||
| Small cortical | 26 (58) | ||
| Small subcortical | 14 (31) | ||
| Territorial | 5 (11) | ||
| Fazekas score, median (IQR) | 1 (1) | 1 (1) | 0.30 |
| Lacunes | 5 (18) | 12 (16) | 0.82 |
| Territorial infarcts | 2 (7) | 8 (11) | 0.59 |
| Microbleeds (available for 72 patients) | 1 (6) | 6 (11) | 0.49 |
Values are n (%) unless stated otherwise. ∗For difference using Student's t-test, χ2 test, or Mann–Whitney U test as appropriate. DWI: diffusion-weighted imaging; IQR: interquartile range; TIA: transient ischemic attack; N/A: not applicable.