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. 2021 Jul 16;22(9):143–152. doi: 10.1002/acm2.13356

TABLE 1.

HU necessary to fill ITVT as a function of peak‐to‐peak amplitude, respiratory trace type, and imaging modality

Amplitude Respiratory trace Fill HU
MVCT kV‐CBCT
1 cm SINE −558 −599
LE −604 −655
2 cm SINE −578 −617
LE −626 −685