Independent variable | Coefficient | SE | Standard coefficient | t | P value |
Baseline CBF (mL/100 g/min) | −1.477 | 0.449 | −0.333 | −3.287 | <0.005 |
Follow-up SBP (mm Hg) | −0.415 | 0.182 | −0.231 | −2.281 | <0.05 |
Interval (months) | 0.532 | 0.159 | 0.340 | 3.355 | <0.005 |
BZR, benzodiazepine receptor; CBF, cerebral blood flow; SBP, systolic blood pressure.