Table 4.
Partial least squares model—flow territory mean artery radius.
| ACA | PCA | MCA | ||||
|---|---|---|---|---|---|---|
| L | R | L | R | L | R | |
| RMSE | 0.1433 | 0.08569 | 0.1389 | 0.1407 | 0.1095 | 0.1117 |
| ICV | 0.006 | 0.008 | 0.005 | 0.006 | 0.020 | 0.028 |
| Sex (M = 1; F = 2) | − 0.005 | − 0.003 | − 0.001 | − 0.001 | − 0.007 | − 0.012 |
| Age | − 0.002 | − 0.002 | − 0.017 | − 0.016 | − 0.002 | − 0.003 |
| BMI | − 0.002 | − 0.006 | − 0.007 | − 0.008 | − 0.013 | − 0.018 |
| WHR | 0.002 | − 0.002 | − 0.006 | − 0.006 | − 0.003 | − 0.003 |
| Systolic blood pressure | 0.000 | − 0.004 | − 0.005 | − 0.005 | − 0.009 | − 0.011 |
| Heart rate | − 0.001 | − 0.002 | 0.006 | 0.005 | − 0.006 | − 0.008 |
| Drinks per day | 0.002 | − 0.001 | 0.005 | 0.004 | − 0.004 | − 0.005 |
| Smoking duration | 0.001 | − 0.001 | − 0.001 | − 0.002 | − 0.001 | 0.000 |
Beta coefficients of the final partial least squares regression model predicting the mean artery radius in the blood flow territories. Italic: p-value < 0.05; Bold: p-value < 0.01. ACA: anterior cerebral artery, PCA: posterior cerebral artery, MCA: middle cerebral artery, L: Left, R: Right.