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Table 1 Characteristics of Patients: (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

Sex

N

Age

CT

MRI

Cath.

All

useful in % (95% CI)

Female

132

54.8 + 16.0 min 17; max 85

51

68

13

(106 / 23 / 3)

80,3 (72.7–86.2)

Male

100

56.0 + 16,6 min 13; max 85

44

28

28

(75 / 18 / 7)

75,0 (65.7–82.5)

No declaration

2

42 y, 51 y

1

1

0

(2 / 0 / 0)

100

Amount

234

55.3 + 16.2 min 13; max 85

96

97

41

(183 / 41 / 10)

78,2 (72.5–83.0)