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Table 2: Measurements of absolute CBF_max and rCBF_max in each WHO grade with or without the exclusion of oligodendrogliomas and anaplastic oligodendrogliomas
Patients/Grades No. CBF_max (mL/100 g/min) rCBF_max
Tumor Contralateral
All 
    Grade II 13 85.8 ± 30.3 85.3 ± 16.4 1.03 ± 0.41
    Grade III 17 146.4 ± 84.0^{^b} 80.0 ± 16.1 1.81 ± 0.96^{^c}
    Grade IV 28 171.5 ± 58.7^{^d} 77.0 ± 10.9 2.25 ± 0.15^{^d}
Excluded^{^a} 
    Grade II 9 75.1 ± 10.4 87.7 ± 18.6 0.88 ± 0.16
    Grade III 13 126.1 ± 74.7^{^e} 80.4 ± 16.6 1.52 ± 0.77^{^b}
    Grade IV 28 171.5 ± 58.7^{^d,^f} 77.0 ± 10.9 2.25 ± 0.15^{^d,^g}
↵a With oligodendrogliomas and anaplastic oligodendrogliomas excluded. Note the following P values in each patient group:
↵b P < .05, compared with grade II.
↵c P < .01, compared with grade II.
↵d P < .001, compared with grade II.
↵e P = .05, compared with grade II.
↵f P < .05, compared with grade III.
↵g P < .01, compared with grade III.