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Table 3 Pass rates of dose calculations based on the enhanced and virtual unenhanced CT images

From: Radiotherapy treatment planning with contrast-enhanced computed tomography: feasibility of dual-energy virtual unenhanced imaging for improved dose calculations

Energy [MV]

Field size [cm2]

Pass rate [%]

Enhanced

Virtual unenhanced

80 kVp/Sn140 kVp

100 kVp/Sn140 kVp

10

10 × 10

45.6

98.4

98.4

10

4 × 4

59.3

98.4

99.2

4

10 × 10

37.1

93.7

97.9

4

4 × 4

44.9

98.7

98.4