Clinical and radiographic characteristics of the DWI-positive patients with or without reversal
| Clinical and Radiographic Characteristics | DWI Reversal (n = 11) | No. DWI Reversals (n = 181) | P Value |
|---|---|---|---|
| Age (median) (IQR) (yr) | 68.5 (20.7) | 68.5 (16.3) | .95 |
| HTN (No., %) | 5 (45.5%) | 101 (55.8%) | .50 |
| Diabetes (No., %) | 1 (9.1%) | 24 (13.3%) | .69 |
| Atrial fibrillation (No., %) | 1 (9.1%) | 18 (9.9%) | .96 |
| Smoking (No., %) | 2 (18.2%) | 36 (19.9%) | .89 |
| Time from symptom onset to baseline DWI/PWI in hours (IQR) | 13.3 (11.4) | 11 (8.6) | .15 |
| Time from symptom onset to follow-up FLAIR in days (IQR) | 76.5 (46) | 79.6 (59.4) | .61 |
| Median DWI lesion volume | 0.26 mL (0.58) | 1.29 mL (3.6) | .002a |
| Concurrent PWI deficit (Tmax +2 seconds) (No., %) | 4 (36.4%) | 113 (62.4%) | .08 |
| Concurrent penumbra (Tmax +6 seconds), DWI (No., %) | 2 (18%) | 58 (32%) | .33 |
| Topography | .034a | ||
| Cortical | 72.7% | 27.6% | |
| Subcortical WM | 18.2% | 12.2% | |
| Subcortical GM | 0% | 8.8% | |
| Cortical and subcortical | 9.1% | 41.4% | |
| Infratentorial | 0% | 8.3% | |
| Multiterritorial | 0% | 1.7% | |
| Acute FLAIR hyperintensity | 18.2% | 23.8% | .67 |
Note:—HTN indicates hypertension.
↵a Statistically significant.