Table 2.

Results of linear regression analysis for the three brain regions.

Brain Region	r2	Significance	Prediction Equation	Fold Increase 0–100	Fold Increase 0–200
Cortex	0.54	0.006	BBBd(V) = 0.008 V + 0.8	3.18	3.66
Cerebellum	0.81	0.0002	BBBd(V) = 0.004 + 0.40	1.63	3.05
Rest of brain	0.67	0.001	BBBd(V) = 0.004 + 0.53	1.85	2.22