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Table 2 Frequency of annual CT referrals for children

From: Paediatric CT scan usage and referrals of children to computed tomography in Germany-a cross-sectional survey of medical practice and awareness of radiation related health risks among physicians

Frequency class

N

%

none

174

59.0

1-2

46

15.6

3-5

41

13.9

6-10

7

2.4

11-15

3

1.0

> 15

8

2.7

n. a.*

16

5.4

∑

295

100.0

  1. * n.a., no answer