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. 2022 Mar 29;13:847969. doi: 10.3389/fphys.2022.847969

TABLE 3.

The average white matter (WM) CVR and resistance parameters in HC and SCD patient groups for the middle cerebral artery (MCA), anterior cerebral artery (ACA) and posterior cerebral artery (PCA).

WM
HC group SCD patient group
MCA ACA PCA MCA ACA PCA
Step CVR (%/mmHg) 0.094 (0.023) 0.063 (0.018) 0.162 (0.04) 0.081 (0.026) 0.05 (0.029) 0.137 (0.039)
Ramp CVR (%/mmHg) 0.118 (0.024) 0.089 (0.027) 0.186 (0.022) 0.096 (0.037) 0.072 (0.041) 0.141 (0.045)
Amplitude (a.u.) 0.065 (0.013) 0.06 (0.012) 0.083 (0.013) 0.061 (0.018) 0.054 (0.015) 0.081 (0.023)
Midpoint (mmHg) 41.8 (1.8) 41.3 (1.9) 41.3 (2.4) 42.1 (2.6) 41.6 (2.2) 41.9 (2.9)
Range (a.u.) 4.2 (0.6) 3.9 (0.6) 3.9 (0.6) 3.9 (0.7) 3.7 (0.7) 3.7 (0.7)
Reserve (a.u.) 0.033 (0.009) 0.029 (0.011) 0.044 (0.012) 0.023 (0.009) 0.024 (0.008) 0.039 (0.011)
Sensitivity (a.u.) 0.218 (0.033) 0.191 (0.033) 0.295 (0.05) 0.22 (0.04) 0.19 (0.05) 0.29 (0.05)
Quality 0.833 (0.05) 0.804 (0.061) 0.806 (0.056) 0.784 (0.093) 0.752 (0.114) 0.737 (0.088)

Regions of interest with significant difference (p < 0.001) between the SCD group and the healthy control are shown in bold.