Table 2 Number of appropriate and inappropriate requests and appropriateness rates (AR) for CT according to the type of CT examination

Abdominal-pelvic area

47

28

63%

 Abdomen-pelvis CT

39

26

60%

 Renal CT angiography

2

0

100%

 CT-guided abdominal drainage

2

0

100%

 CT Urography

4

2

67%

Extremity area

22

21

51%

 Knee CT arthrography

1

10

9%

 Lower extremities CT (other)

5

5

50%

 Lower extremities CT angiography

5

0

100%

 Upper extremities CT

6

2

75%

 Upper extremities CT angiography

5

4

56%

Spinal area

26

66

28%

 Lumbar spine CT

10

51

16%

 Cervical spine CT

13

13

50%

 Dorsal spine CT

1

2

33%

 Spinal CT infiltration

2

0

100%

Chest-Abdominal-Pelvic area

39

9

81%

 Chest-abdomen-pelvis CT

32

8

80%

 Head-chest-abdomen-pelvis CT

7

1

88%

Head-Neck area

54

14

79%

 Cerebral CT

18

9

67%

 Brain or Neck Angio-CT

3

2

60%

 Temporal bone CT

4

0

100%

 Sinus CT

13

3

81%

 ORL CT (other)

7

0

100%

 Dental CT

9

0

100%

Chest area

48

14

77%

 Chest CT

37

13

74%

 Chest-abdomen CT angiography

11

1

92%