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Table 3 Comparison of CT number between 120 and 80 KVP

From: Studies on the radiation dose, image quality and low contrast detectability from MSCT abdomen by using low tube voltage

  CT number Student t-test p value
120 KVP 80 KVP
Mean ± SD 90.47 ± 0.62 64.97 ± 1.29 47.04  < 0.001*
Min–Max 89.64–91.45 63.14–66.50
  1. *means p < 0.05