TABLE 3

MFR_retention Versus MFR_flurpiridaz and MFR_microspheres

	5–10 min		5–12 min		5–15 min		10–15 min		10–20 min
Index	flurpiridaz F 18	Micro	flurpiridaz F 18	Micro	flurpiridaz F 18	Micro	flurpiridaz F 18	Micro	flurpiridaz F 18	Micro
r _Spearman	0.83	0.74	0.93	0.92	0.76	0.67	0.4	0.26	0.69	0.64
P	<0.001	<0.001	<0.001	<0.001	<0.001	<0.05	NS	NS	<0.05	<0.05
Slope	0.88x + 0.3	0.71x + 0.45	0.83x+ 0.3	0.63x + 0.56	0.54x + 0.36	0.36x + 0.6	0.21x + 1	0.15x + 1.1	0.53x + 0.3	0.33x + 0.54
Mean difference	0.1	−0.05	0.06	−0.08	−0.31	−0.46	−0.36	−0.51	−0.47	−0.62

Micro = microspheres; NS = not significant.