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Table 6 Comparison of SNR 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

  SNR Student t-test p value
120 KVP 80 KVP
Mean ± SD 13.20 ± 4.32 4.88 ± 1.57 6.77  < 0.001*
Min–Max 6.14–21.36 2.01–6.79
  1. *means p < 0.05