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Table 1 Quantitative analysis of image sets (conventional images and VME images 40–120 KeV) according to CNR

From: Improved detectability of hypoattenuating focal pancreatic lesions by dual-layer computed tomography using virtual monoenergetic images

  CNR pConventional p40 KeV
Conventional 6.63 ± 4.92   
40 KeV 18.47 ± 12.98 < 0.001*  
50 KeV 13.55 ± 9.41 < 0.001* < 0.001*
60 KeV 10.36 ± 7.18 < 0.001* < 0.001*
70 KeV 8.24 ± 5.56 < 0.001* < 0.001*
80 KeV 7.17 ± 5.18 0.004* < 0.001*
90 KeV 6.31 ± 4.63 0.051 < 0.001*
100 KeV 5.76 ± 4.33 < 0.001* < 0.001*
110 KeV 5.14 ± 3.68 < 0.001* < 0.001*
120 KeV 5.07 ± 3.97 < 0.001* < 0.001*
Frp < 0.001*   
  1. * statistically significant