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Table 1 Comparison of CI and HI of two group plannings

From: Gradient-based delineation of the primary GTV on FLT PET in squamous cell cancer of the thoracic esophagus and impact on radiotherapy planning

Parameter

plan GRAD

plan CT

t

P

CI

0.75 ± 0.06

0.74 ± 0.06

0.94

0.38

HI

1.13 ± 0.02

1.14 ± 0.03

−1.16

0.28