TABLE 4.

The average gray matter (GM) 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).

	GM
	HC group			SCD patient group
	MCA	ACA	PCA	MCA	ACA	PCA
Step CVR (%/mmHg)	0.253 (0.046)	0.235 (0.051)	0.36 (0.068)	0.178 (0.049)	0.153 (0.056)	0.259 (0.074)
Ramp CVR (%/mmHg)	0.274 (0.037)	0.269 (0.047)	0.382 (0.049)	0.2 (0.054)	0.188 (0.066)	0.274 (0.079)
Amplitude (a.u.)	0.104 (0.015)	0.103 (0.015)	0.12 (0.016)	0.087 (0.018)	0.083 (0.019)	0.111 (0.024)
Midpoint (mmHg)	39.7 (2.3)	39.6 (2.4)	40.2 (2.9)	40.7 (2.7)	40.6 (2.6)	41.2 (3.1)
Range (a.u.)	4.4 (0.6)	4.3 (0.5)	4.0 (0.60)	3.8 (0.6)	3.7 (0.7)	3.7 (0.7)
Reserve (a.u.)	0.048 (0.011)	0.046 (0.014)	0.064 (0.016)	0.039 (0.010)	0.036 (0.009)	0.057 (0.015)
Sensitivity (a.u.)	0.373 (0.051)	0.37 (0.064)	0.491 (0.091)	0.34 (0.067)	0.33 (0.081)	0.46 (0.098)
Quality	0.84 (0.044)	0.84 (0.046)	0.806 (0.056)	0.776 (0.074)	0.773 (0.087)	0.751 (0.077)

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