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Table 5: 
Results of the Student-Newman-Keuls test for the normal-to-lesion ratio of CBF, OEF, and CMRO2 in the 4 patient subgroups with increasing MCA stenotic severity
rCBFrOEFrCMRO2
Group 1
    Group 2>0.05>0.05>0.05
    Group 3<0.05<0.05>0.05
    Group 4<0.05>0.05>0.05
Group 2
    Group 3<0.05>0.05>0.05
    Group 4<0.05>0.05>0.05
Group 3
    Group 4>0.05>0.05>0.05