Table 3 Comparison of subjective image data

Noise (1/2/3/4/5)

Reader 1

0/1/81/3/0

0/0/64/21/0

0/0/3/81/1

<0.001*

<0.001*

<0.001*

Reader 2

1/5/55/24/0

0/0/7/76/2

0/0/1/10/74

<0.001*

<0.001*

<0.001*

Streak artifact (1/2/3)

Reader 1

73/12/0

40/45/0

25/56/4

<0.001*

<0.001*

0.014*

Reader 2

24/60/1

1/74/10

1/4/80

<0.001*

<0.001*

<0.001*

Pixelated blotchy appearance (1/2/3)

Reader 1

4/74/7

84/1/0

83/1/1

<0.001*

<0.001*

1.000

Reader 2

0/19/66

83/1/1

84/1/0

<0.001*

<0.001*

1.000

Depiction of ureter (1/2/3/4)

Reader 1

15/41/26/3

10/48/25/2

3/32/43/7

1.000

<0.001*

<0.001*

Reader 2

39/25/13/8

42/21/16/6

14/29/34/8

0.210

<0.001*

<0.001*

Diagnostic acceptability (1/2/3/4)

Reader 1

0/11/73/1

0/14/70/1

0/0/57/28

0.648

<0.001*

<0.001*

Reader 2

29/30/19/7

31/30/14/10

1/2/19/63

0.775

<0.001*

<0.001*