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Table 2: 
Patients’ perfusion-weighted imaging findings observed with the different arterial input function estimation methods
LocalRegionalRegional ScaledGlobal
Th
    Hypo727 (1)8 (2)
    Hyper12 (2)109 (1)15 (2)
    Cong8 (2)10 (2)11 (2)9 (2)
    Norm12 (36%)14 (42%)7 (21%)7 (21%)
CO
    Hypo12 (6)15 (9)16 (5)16 (8)
    Hyper5 (3)10 (4)8 (3)4 (3)
    Cong12 (5)9 (1)6 (2)9 (3)
    Norm7 (21%)5 (15%)6 (18%)7 (21%)
Th & Co
    Hypo313 (1)6
    Hyper3 (1)32 (1)3
    Cong2220
    Norm3 (9%)2 (6%)3 (9%)2 (6%)
  • Note:—Hypo indicates hypoperfusion; Hyper, hyperperfusion; Cong, venous congestion; Norm, normal; Th, thalami; CO, centrum ovale. Within the Hypo, Hyper, and Cong entries, numbers in parentheses indicate perfusion-weighted imaging abnormalities that are bilateral.