Skip to main content

Table 3 Correlations (Pearson's r) between examination rates according to modality1 within counties

From: Geographical variation in radiological services: a nationwide survey

Examination

XR and CT

XR and MRI

XR and US

CT and MRI

CT and US

MRI and US

Head/brain

-

-

-

0.78**

-

-

Cervical spine

0.35

0.73**

-

0.68**

-

-

Lumbar spine

-0.06

0.38

-

0.56*

-

-

Thorax

0.75**

-

0.11

-

0.15

-

Abdomen

0.51*

0.35

0.28

0.31

0.21

0.22

Urinary tract

-

-

0.51*

-

-

-

Pelvis

0.63**

0.55*

0.39

0.75**

0.52*

0.62**

Knee

-

0.70**

-

-

-

-

  1. 1 Correlations are only displayed if both modalities are frequently used for the examination in question, i.e. more than 1 per 1000 inhabitants nationally
  2. * p < .05, ** p < .01