Table II.
Comparisons of demographic characteristics and volumetric measures between subjects with and without white matter hyperintensities (WMHs)
| Variables | WMHS | df | t/χ2 | P Value | |
|---|---|---|---|---|---|
| Yes (n = 218) | No (n = 210) | ||||
| Age (years) | 46.77 (1.41) | 46.61 (1.44) | 426 | 1.100 | 0.272 |
| Sex, male (%) | 103 (47.25) | 93 (44.29) | 1 | 0.378 | 0.539 |
| Education (years) | 14.82 (2.18) | 14.78 (2.37) | 425 | 0.187 | 0.851 |
| Right‐handed (%) | 196 (89.91) | 185 (88.10) | 1 | 0.360 | 0.549 |
| Scanner A (%) | 89 (40.83) | 74 (35.24) | 1 | 1.416 | 0.234 |
| Total intracranial volume (TIV) | 1.46 (0.14) | 1.44 (0.13) | 426 | 1.621 | 0.106 |
| Gray matter volume (GM) | 0.72 (0.07) | 0.71 (0.07) | 426 | 1.238 | 0.216 |
| White matter volume (WM) | 0.47 (0.06) | 0.46 (0.05) | 426 | 2.290 | 0.022* |
| Cerebrospinal fluid volume (CSF) | 0.27 (0.06) | 0.27 (0.06) | 426 | 0.209 | 0.834 |
*
P = 0.08 if controlling for TIV.