TABLE 3

Comparison of Components of Compartmental Model Intercept with Independently Measured PET Variables

Group	V_t	CM BV	BV*	EVLW
Normal	0.04 ± 0.02	0.15 ± 0.02	0.16 ± 0.02	0.31 ± 0.03
OA	0.17 ± 0.10^†	0.14 ± 0.03	0.21 ± 0.04	0.52 ± 0.13^‡
Etx	0.09 ± 0.05	0.17 ± 0.03	0.16 ± 0.02	0.30 ± 0.03
Etx+OA	0.26 ± 0.09^†^‡^§	0.17 ± 0.04	0.22 ± 0.05	0.54 ± 0.10^†^‡

↵* From C¹⁵O scan.
↵^† P < 0.05 compared with normal group.
↵^‡ P < 0.05 compared with Etx group.
↵^§ P < 0.05 compared with OA group.
CM = compartmental model.
Units for V_t are mL blood/mL lung; BV are mL blood/mL lung; EVLW are mL H₂O/mL lung.