Table 2.
The univariate linear regression analysis and multivariate stepwise regression analysis between clinical characteristics and OA diameter and blood flow velocity
| Univariate | Multivariatea | ||||
|---|---|---|---|---|---|
| Variables | β (95% CI) | P Value* | β(95% CI) | P Value | |
| Diameter | SBP | − 0.007 (− 0.011 to − 0.003) | 0.001 | ||
| Homocysteine | − 0.016 (− 0.030 to − 0.002) | 0.025 | |||
| WMHs | − 0.223 (− 0.375 to − 0.072) | 0.005 | |||
| CMB | − 0.263 (− 0.408 to − 0.118) | 0.001 | − 0.231 (− 0.380 to − 0.082) | 0.003 | |
| Enlarged perivascular spaces | − 0.245 (− 0.400 to − 0.090) | 0.003 | − 0.226 (− 0.382 to − 0.071) | 0.006 | |
| Velocityb | Ischemic heart disease | − 0.529 (− 0.840 to − 0.219) | 0.001 | − 0.318 (− 0.539 to − 0.097) | 0.006 |
| Lacunar infarct | − 0.663 (− 0.936 to − 0.391) | < 0.001 | − 0.424 (− 0.648 to − 0.200) | < 0.001 | |
| WMHs | − 0.709 (− 0.959 to − 0.459) | < 0.001 | − 0.468 (− 0.692 to − 0.245) | < 0.001 | |
| CMB | − 0.621 (− 0.892 to − 0.350) | < 0.001 | |||
SBP systolic blood pressure, WMHs white matter hyperintensities, CMB cerebral microbleed
*P < 0.05 is significant in univariate linear regression analysis
aSignificant variables in results of the univariate regression were included in the multivariate stepwise regression analysis
bVariables are transformed to natural logarithms