Figure 6. Plot of cerebral blood flow / body surface area (CBF/BSA) (A) and pCASL (B) in patients with serial MRIs. There were 24, 57 and 43 scans in patients at the pre-BDG, BDG and Fontan stage respectively for a total of 124 scans in 60 patients. See figure 1 and table 6 for further delineation of patients with serial scans.