Table 1:

Histogram parameters of the initial MRIa

Pseudoprogression (n = 24)Progression (n = 11)P Value
ADCb
    Mean1404.9 ± 195.41376.0 ± 145.0.570
    SD468.0 ± 118.9368.5 ± 117.3.055
    Max freq0.15 ± 0.050.16 ± 0.05.356
    Mode1154.2 ± 196.71240.9 ± 186.8.320
    Kurtosis4.89 ± 3.274.54 ± 2.29.972
    Skewness1.14 ± 0.650.91 ± 0.64.434
rCBV
    Mean1.72 ± 0.591.72 ± 0.55.804
    SD1.25 ± 0.451.18 ± 0.52.722
    Max freq0.24 ± 0.090.24 ± 0.09.972
    Mode0.93 ± 0.480.93 ± 0.30.562
    Kurtosis8.74 ± 4.848.71 ± 7.52.434
    Skewness1.89 ± 0.691.72 ± 0.99.570
  • Note:—Max freq indicates maximum relative frequency.

  • a Numbers represent means.

  • b Unit of ADC value = 10−6mm2/s.