Table 1:

Median values of MVA, MVD, and DCE- and DSC-MRI parameters with interquartile range for low and high-grade gliomasa

Low-Grade (n = 10)High-Grade (n = 33)P Value
MVA (%)1.4 (0.66–2.09)3.2 (1.82–9.38).002
MVD (mm2)129 (93–202)376 (157–768).006
Large-tumor Vp_Φ (%)0.098 (0.01–0.58)1.45 (0.71–2.21).001
Large-tumor Vp_SI (%)0.69 (0.27–2.20)3.12 (1.37–6.72).04
Large-tumor uCBV (a.u.)35.8 (16.9–62.8)80.8 (57.3–152.5).01
Large-tumor rCBV2.9 (1.53–4.19)5.43 (3.19–8.21).02
Large-tumor Ktrans_Φ (min−1)0.00016 (0.00001–0.00225)0.019 (0.011–0.041).002
Large-tumor Ktrans_SI (min−1)0.0012 (0.0004–0.0137)0.05 (0.0118–0.0773).004
Hot spot Vp_Φ (%)0.46 (0.02–1.04)2.93 (1.85–4.42).0004
Hot spot Vp_SI (%)1.84 (1.13–3.39)8.51 (4.14–13.80).015
Hot spot uCBV (a.u.)40.2 (16.8–181.3)163 (142–274).002
Hot spot rCBV2.85 (1.75–7.45)11.6 (6.48–18.50).008
Hot spot Ktrans_Φ (min−1)0.00054 (0.00017–0.01341)0.047 (0.023–0.091).0006
Hot spot Ktrans_SI (min−1)0.016 (0.002–0.067)0.095 (0.044–0.162).02
  • Note:—a.u. indicates arbitrary units.

  • a Interquartile ranges are in parentheses.