Table 2 Average density variation in the HD and LD regions for all patients in the early and mid cine-CT studies with respect to the late ‘snap shot’ CT study (((CT x /CT L )−1)×100%) where CT x is either CT E or CT M )
From: Improved quantitation and reproducibility in multi-PET/CT lung studies by combining CT information
Original CT | Combined-CT | |
|---|---|---|
Early cine-CT HDMask | − 2.96 ± 9.09% | − 1.58 ± 4.96% |
Early cine-CT LDMask | 10.99 ± 16.66% | − 1.68 ± 4.84% |
Mid cine-CT HDMask | 2.80 ± 9.15% | 1.06 ± 0.70% |
Mid cine-CT LDMask | 18.26 ± 18.27% | 0.92 ± 0.32% |