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. 2020 Jan 1;93(1105):20190543. doi: 10.1259/bjr.20190543

Table 3. .

Ratio cortex/white matter, subgroup 1 (tumor)

Left hemisphere Right hemisphere
Statistics NI
(SVD)
Olea
(SVD)
Olea
(Bayesian)
Statistics NI
(SVD)
Olea
(SVD)
Olea
(Bayesian)
MTT N 46 46 46 MTT N 46 46 46
Mean 0.805 0.909 0.826 Mean 0.869 0.924 0.821
SD 0.2230 0.2230 0.2149 SD 0.5336 0.2639 0.3114
Median 0.797 0.902 0.817 Median 0.753 0.905 0.737
Range (Min, Max) (0.35,1.32) (0.51,1.68) (0.45,1.42) Range (Min, Max) (0.33,3.69) (0.47,2.24) (0.43,2.08)
p-value 0.0027 0.4217 p-value 0.0041 0.9786
rBF N 46 46 46 rBF N 46 46 46
Mean 3.556 3.107 3.612 Mean 3.699 3.481 4.317
SD 1.5879 0.9616 1.3104 SD 1.5966 1.1861 1.7372
Median 3.330 3.024 3.234 Median 3.271 3.320 3.974
Range (Min, Max) (1.35,9.47) (1.07,5.42) (1.65,7.15) Range (Min, Max) (1.49,9.13) (1.46,7.85) (1.64,8.99)
p-value 0.0022 0.2674 p-value 0.2917 0.0134
rBVc N 46 46 46 rBVc N 46 46 46
Mean 2.729 2.970 2.970 Mean 3.181 3.415 3.418
SD 0.8689 0.8426 0.8431 SD 1.6610 0.9981 0.9997
Median 2.498 2.861 2.861 Median 2.795 3.324 3.324
Range (Min, Max) (1.21,4.90) (1.22,5.97) (1.22,5.97) Range (Min, Max) (1.34,9.29) (1.66,6.19) (1.66,6.19)
p-value 0.0022 0.0021 p-value 0.0002 0.0002

MTT, mean transit time; SD, standard deviation; SVD, singular value deconvolution; rBF, relative cerebral blood flow; rBV, relative cerebral blood volume.