Results of multiple regression analysis
| Independent Variable | Baseline Cerebral Blood Flow | Postacetazolamide Cerebral Blood Flow | ||||
|---|---|---|---|---|---|---|
| Regression Coefficient* | t Value | P Value | Regression Coefficient* | t | P Value | |
| Poststenotic TMV | 0.001, 0.004 | 2.753 | .007 | 0.002, 0.006 | 3.455 | .0009 |
| Poststenotic diameter | −0.056, 0.024 | −0.811 | .4 | −0.067, 0.032 | −0.713 | .5 |
| ACoA | −0.021, 0.085 | 1.216 | .2 | −0.026, 0.106 | 1.214 | .2 |
| PCoA | −0.062, 0.051 | −0.194 | .8 | −0.140, 0.001 | −2.021 | .05 |
| OA | −0.119, 0.008 | −1.755 | .08 | −0.116, 0.040 | −0.979 | .3 |
| LM | −0.010, 0.133 | 1.719 | .09 | −0.052, 0.125 | 0.819 | .4 |
Note.—Multiple regression analysis was performed to examine the possible association of various parameters in the poststenotic portion with cerebral hemodynamics. Regression models included the potential predictive variables.
* 95% confidence interval.