DWI lesion volumes, ADC values, and early parenchymal enhancement
| Variable | No HT (n = 36) | HT (n = 19) | P Value |
|---|---|---|---|
| DWI lesion volume (cm3) | 24.2 ± 34.7 | 50.9 ± 84.4 | .115 |
| Mean ADC (× 10−6 mm2/second) | 59 ± 78 | 550 ± 101 | .107 |
| Voxels with ADC ≤550 × 10−6 mm2/second | |||
| Percentage | 42.5 ± 21.6 | 49.2 ± 22.1 | .287 |
| Absolute number | 721.1 ± 1077.6 | 2887.3 ± 8109.1 | .134 |
| Voxels with ADC ≤450 × 10−6 mm2/second | |||
| Percentage | 20.9 ± 16.9 | 27.1 ± 21.0 | .248 |
| Absolute number | 355.6 ± 516.4 | 14055.9 ± 58466.7 | .181 |
| Voxels with ADC ≤350 × 10−6 mm2/second | |||
| Percentage | 7.0 ± 8.5 | 11.7 ± 19.4 | .239 |
| Absolute number | 128.3 ± 230.3 | 910.7 ± 2876.8 | .124 |
| Voxels with ADC ≤250 × 10−6 mm2/second | |||
| Percentage | 1.6 ± 2.5 | 5.4 ± 16.8 | .216 |
| Absolute number | 32.8 ± 77.8 | 233.9 ± 672.4 | .093 |
| Gd enhancement | 0 (0) | 5 (26.3) | .003 |
Note.—Data are the mean ± standard deviation or number (percentage).