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Table 2 Performed Diagnostics: (in brackets: useful / not useful / no assessment)

From: Physicians perceived usefulness of high-cost diagnostic imaging studies: results of a referral study in a German medical quality network

Area

GP / Specialist

Indication

CT

MRI

useful in % (95% CI)

Cerebral (n = 61)

GP

Apoplexia (3)

3 (3 / 0 / 0)

0

100

 

GP

Cerebral Tumour (3)

1 (1 / 0 / 0)

2 (2 / 0 / 0)

100

 

GP

ED* (4)

1 (1 / 0 / 0)

3 (2 / 1 / 0)

75.0

 

GP

Suspected Disease (11)

5 (2 / 2 / 1)

6 (2 / 3 / 1)

36.4

 

Neuro.

Apoplexia (6)

2 (1 / 1 / 0)

4 (4 / 0 / 0)

83.3

 

Neuro.

Rule out tumour (27)

8 (6 / 2 / 0)

19 (18 / 1/ 0)

88.9

 

Neuro.

Trauma / SVT** / Hydrozephalus (3)

1 (1 /0 / 0)

2 (2 /0 / 0)

100

 

Neuro.

Suspected Disease (4)

1 (1 /0 / 0)

3 (1 /2 / 0)

50.0

Total

 

Amount (61)

22 (16 / 5 / 1)

39 (31 / 7 / 1)

77.0 (65.1–85.8)

Vertebra (n = 71)

GP

Cervical spine (12)

5 (2/3/0)

7 (3 /2 / 2)

41.6

 

GP

Lumbar spine (26)

20 (17/2/1)

6 (5 /0 / 1)

88.5

 

Orthop.

Cervical spine (8)

3 (3 /0 / 0)

5 (3 /2 / 0)

75.0

 

Orthop.

Lumbar spine (9)

6 (5 /1 / 0)

3 (2 /1 / 0)

77.8

 

Neuro.

Cervical spine (8)

1 (1 /0 / 0)

7 (6 /1 / 0)

87.5

 

Neuro.

Lumbar spine (8)

2 (2 /0 / 0)

6 (6 /0 / 0)

100

Total

 

Amount (71)

37 (30 / 6 / 1)

34 (25 / 6 / 3)

77.5 (66.5–85.6)

Musculoskeletal Symptoms (n = 18)

GP

Knee (10)

0

10 (9 / 1 / 0)

90.0

 

GP

Shoulder (3)

0

3 (3 / 0 / 0)

100

 

GP

Elbow (1)

0

1 (1 / 0 / 0)

100

 

Orthop.

Knee (1)

1 (1 / 0 / 0)

0

100

 

Orthop.

Shoulder (2)

0

2 (2 / 0 / 0)

100

 

Orthop.

Upper ankle (1)

0

1 (1 / 0 / 0)

100

Total

 

Amount (18)

1 (1 / 0 / 0)

17 (16 / 1 / 0)

94.4 (74.2–99.0)

Area

Indication

CT

MRI

useful in % (95% CI)

Internal (n = 27)

Abdomina l complaints (15)

15 (10 / 5 / 0)

0

66.7

 

Pulmonary (7)

6 (5 / 0 / 1)

1 (1 / 0 / 0)

85.7

 

Urogenital (2)

2 (2 / 0 / 0)

0

100

 

Other tumours (3)

2 (1 / 1 / 0)

1 (1 / 0 / 0)

66.7

Total

Amount (27)

25 (18 / 6 / 1)

2 (2 / 0 / 0)

74.1 (55.3–86.8)

Others (n = 4)

Chron. Sinusitis

1 (1 / 0 / 0)

0

100

 

Lymphhaemangioma axillae

0

1 (1 / 0 / 0)

100

 

Pain after Appendectomy

1 (1 / 0 / 0)

0

100

 

Thoracic pain of unknown origin

1 (1 / 0 / 0)

0

100

Total

Amount(4)

3 (3 / 0 / 0)

1 (1 / 0 / 0)

100

Area

Indication

Intracardiac catheter

MRI

useful in % (95% CI)

Cardiac (n = 49)

Coronary artery disease

48 (39 / 6 / 3)

0

81,3 (68.1–89.8)

 

Cardiac effusion

0

1 (1 / 0 / 0)

100

  1. * ED = Encephalitits disseminate; ** SVT = sinus vein thrombosis GP = general practitioner, Neuro. = neurologist, Orthop. = orthopaedic specialist