57 Appendices Supplementary Table 2. Group mean values (standard deviation) per MRI metric (AAT, CBF, CVR and hemodynamic lag) per tissue type (GM, WM, edema and brain metastases) divided into non-steal and steal regions. GM WM Edema Brain metastases non-steal steal non-steal steal non-steal steal non-steal steal AAT 1.27 (0.09) 1.30 (0.11) 1.35 (0.07) 1.42 (0.06) 1.42 (0.12) 1.48 (0.09) 1.46 (0.20) 1.52 (0.19) CBF 40.36 (7.37) 32.71 (5.81) 29.61 (6.21) 20.13 (5.13) 21.81 (5.22) 17.74 (6.97) 50.33 (26.70) 39.63 (28.28) CVR 0.19 (0.05) -0.06 (0.02) 0.13 (0.03) -0.04 (0.01) 0.07 (0.02) -0.03 (0.02) 0.12 (0.07) -0.04 (0.03) lag 15.98 (4.60) 50.61 (6.29) 21.73 (6.09) 53.93 (7.65) 35.08 (10.87) 51.91 (10.90) 27.81 (18.20) 43.75 (17.27) Abbreviations: AAT, arterial arrival time; CBF, cerebral blood flow; CVR, cerebrovascular reactivity; GM, grey matter; WM, white matter.
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