Table 2.

Resistance metrics for gray matter (GM) and white matter (WM) in mild cognitive impairment (MCI) and healthy control groups.

	Amplitude (mmHg/nL/s)		Midpoint (mmHg)		Range (mmHg)		Reserve (mmHg/nL/s)		Sensitivity (mmHg/nL/s)
Group	GM	WM	GM	WM	GM	WM	GM	WM	GM	WM
CON 18–28	0.107 (0.012)	0.077 (0.012)	40.61 (1.75)	41.69 (1.47)	3.49 (0.58)	3.26 (0.58)	0.059 (0.014)	0.046 (0.015)	0.0053 (0.0008)	0.0035 (0.0006)
CON 29–38	0.102 (0.012)	0.072 (0.010)	40.05 (1.44)	41.28 (1.37)	3.55 (0.61)	3.29 (0.50)	0.053 (0.008)	0.042 (0.009)	0.0054 (0.0008)	0.0034 (0.0006)
CON 39–54	0.100 (0.019)	0.069 (0.013)	40.87 (1.92)	41.77 (1.45)	3.42 (0.64)	3.24 (0.64)	0.052 (0.013)	0.040 (0.011)	0.0053 (0.0007)	0.0034 (0.0003)
CON 55–83	0.112 (0.019)	0.084 (0.022)	40.38 (1.25)	41.36 (1.44)	3.39 (0.42)	3.12 (0.38)	0.060 (0.016)	0.051 (0.002)	0.0054 (0.0006)	0.0036 (0.0005)
MCI 61–83	0.099 (0.022)	0.076 (0.010)	38.02 (1.80)	39.70 (1.30)	2.98 (0.66)	2.83 (0.63)	0.055 (0.011)	0.046 (0.012)	0.0044 (0.0009)	0.0029 (0.0008)

Each resistance metric shows the mean (SD); mmHg/nL/s.