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Table 1: 
Relationships between DSA parameters and clinical outcomes
GroupExcellent (n = 16)Good (n = 4)Fair (n = 8)Poor (n = 4)P Value
ΔTTP in CCA (sec)2.021.00.80−0.13.003
ΔAUC ratio in CCA (%)68.131.59.1−11.3.000
ΔAUC ratio in ECA (%)1119.8768.2279.5248.7.000
ΔAUC ratio in ICA (%)−41.0−35.6−44.2−22.3.418