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Table 1 Summary of PET/CT methods used in this study

From: Data-driven gated PET/CT: implications for lesion segmentation and quantitation

PET/CT method PET data Attenuation correction PET respiratory phase CT respiratory phase
Baseline PET/CT Baseline PET Helical CT Average Random
PET/ACT Baseline PET Average CT Average Average
DDG-PET DDG-PET Helical CT End-expiration Random
DDG-PET/CT DDG-PET DDG-CT End-expiration End-expiration