Table 1:

Median values of the maximal perfusion parameters and coefficient of variation for different grades of gliomas using a 2D gradient-recalled echo sequence on a 1.5T MR imaging scanner

No.Ktrans_ϕ(min−1) (95% CI)CV(%)Ktrans_SI(min−1) (95% CI)CV(%)Vp_ϕ (mL/100 g) (95% CI)CV(%)Vp_SI (ml/100 g) (95% CI)CV(%)
Grade 280.0086 (0.0010–0.047)1530.0032 (0.00056–0.17)2100.66 (0.091–1.55)911.35 (0.22–6.9)143
Grade 340.0201420.00521911.371052.8114
Not definedNot definedNot definedNot defined
Grade 4190.10 (0.072–0.13)460.13 (0.073–0.23)852.0 (1.7–3.1)788.8 (5.3–14)76