Table 2.

Relative errors on parameter estimates from fitting the validation data sets

			Mean Error [%]
Standard Tofts	K trans	3.24
	v e	0.38
extended Tofts	K trans	7.01
	v p	22.06
	v e	5.95
2CXM	F p	푃푆 = 0 푚푙/푚푖푛/100 푚푙	2.54
		푃푆 = 5 푚푙/푚푖푛/100 푚푙	1.99
		푃푆 = 15 푚푙/푚푖푛/100 푚푙	1.86
	v p	푃푆 = 0 푚푙/푚푖푛/100 푚푙	10.55
		푃푆 = 5 푚푙/푚푖푛/100 푚푙	1.83
		푃푆 = 15 푚푙/푚푖푛/100 푚푙	2.87
	PS	푃푆 = 5 푚푙/푚푖푛/100 푚푙	3.05
		푃푆 = 15 푚푙/푚푖푛/100 푚푙	2.69
	v e	푃푆 = 5 푚푙/푚푖푛/100 푚푙	3.22
		푃푆 = 15 푚푙/푚푖푛/100 푚푙	2.48