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Table 2 The image noise with low tube voltage for CNR at 13, 14, and 15

From: Radiation dose reduction based on CNR index with low-tube voltage scan for pediatric CT scan: experimental study using anthropomorphic phantoms

Tube voltage (kVp)

CNR

13

14

15

New born

 FBP

  80

39

37

33

  100

32

30

26

 IR

  80

39

37

34

  100

31

30

27

1 year old

 FBP

  80

37

35

31

  100

30

29

26

 IR

  80

39

37

33

  100

32

30

28