Table 2 Image noise in different imaging groups

FBP

47.98 ± 7.75

50.12 ± 8.75

36.78 ± 4.47

40.57 ± 1.99

31.99 ± 4.60

35.88 ± 1.71

30%ASiR-V

40.72 ± 5.00

45.12 ± 2.87

29.27 ± 3.92

32.53 ± 1.72

25.32 ± 4.37

28.02 ± 1.76

50%ASiR-V

37.59 ± 5.25

39.31 ± 2.68

24.35 ± 3.61

27.37 ± 1.61

21.05 ± 4.23

22.92 ± 1.98

70%ASiR-V

34.25 ± 2.41

34.88 ± 5.23

19.80 ± 3.34

22.65 ± 1.61

17.16 ± 4.02

19.15 ± 2.75

mean-value

40.14 ± 7.05

42.36 ± 7.62

27.55 ± 7.38

30.78 ± 6.87

23.88 ± 6.98

26.49 ± 6.61