Table 3.

Summary of the penetration ratio values for ^81mKrypton and Technegas for all reconstructions

Penetration ratio (±SEM)	MEGP			LEGP
	81mKrypton	Technegas	P value	81mKrypton	Technegas	P value
ACSC	1.03 ± 0.10	0.84 ± 0.09	3·× 10−4a	0.89 ± 0.03	0.83 ± 0.06	0.18
AC	1.06 ± 0.09	0.88 ± 0.10	7·× 10−4a	0.94 ± 0.03	0.88 ± 0.06	0.16
NAC	0.83 ± 0.06	0.66 ± 0.05	2·× 10−5a	0.73 ± 0.02	0.68 ± 0.04	0.09

AC, attenuation correction; ACSC, attenuation and scatter correction; LEGP, low energy general purpose; MEGP, medium energy general purpose; (N)AC, (non)attenuation corrected; SC, scatter corrected.

^aIndicate the significant differences between ^81mKrypton and Technegas.