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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