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Table 2: Coefficient of variation between resting perfusion measures (MTT, rCBF, and rCBV) calculated using AIFs from the right-versus-left MCA and right-versus-left CP in the GM and WM
MTT (s) rCBF (a.u) rCBV (a.u)
Factor GM WM GM WM GM WM
Mean coefficient of variation (%) Between MCA AIFs 14 (SD, 2) 12 (SD, 2) 9 (SD, 2) 11 (SD, 2) 11 (SD, 2) 13 (SD, 3)
Between CP AIFs 6 (SD, 2) 5 (SD, 1) 9 (SD, 2) 16 (SD, 5) 11 (SD, 2) 12 (SD, 2)

		MTT (s)		rCBF (a.u)		rCBV (a.u)
	Factor	GM	WM	GM	WM	GM	WM
Mean coefficient of variation (%)	Between MCA AIFs	14 (SD, 2)	12 (SD, 2)	9 (SD, 2)	11 (SD, 2)	11 (SD, 2)	13 (SD, 3)
Mean coefficient of variation (%)	Between CP AIFs	6 (SD, 2)	5 (SD, 1)	9 (SD, 2)	16 (SD, 5)	11 (SD, 2)	12 (SD, 2)