Table 3:

Median values of the maximal perfusion parameters and coefficient of variation for different grades of gliomas combining 2D and 3D acquisition methods

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 290.0041 (0.00062–0.033)1650.0024 (0.00050–0.10)2240.64 (0.063–1.4)1031.12 (0.18–4.9)155
Grade 2 excluding biopsy60.0014 (0.00010–0.011)1440.0016 (0.00011–0.014)1560.15 (0.011–0.67)1070.81 (0.032–4.3)133
Grade 390.031 (0.011–0.15)1220.0093 (0.0030–0.17)1720.98 (0.34–2.2)923.7 (1.6–6.4)86
Grade 3 excluding biopsy70.031 (0.0083–0.19)1160.0093 (0.0017–0.29)1690.79 (0.26–2.9)1161.9 (1.0–8.6)103
Grade 4280.088 (0.069–0.11)480.15 (0.093–0.21)792.16 (1.8–3.1)719.4 (5.8–14)75