Skip to main content

Table 4 Mean values of the scores of the structures in all images (VGAS)

From: Development of a zoomorphic test specimen for constancy testing on digital X-ray systems in veterinary radiology

Image

1

2

3

4

5

6

7

8

9

10

11

12

Mean

Trachea and prox. bronchia

/

0.17

− 0.17

− 0.33

− 1.50

0.33

− 0.83

− 0.83

− 0.67

0.00

0.17

0.83

− 0.26

Heart silhouette

/

0.17

− 0.67

− 0.33

− 0.83

0.17

0.33

− 0.17

− 0.67

0.50

0.33

0.00

− 0.11

Caud. V. cava

/

0.33

− 0.50

0.00

− 0.50

0.17

0.17

− 0.33

0.50

0.33

0.00

0.00

0.02

Thoracic aorta

/

− 0.83

− 0.33

− 0.50

− 0.50

− 0.50

− 0.67

0.00

0.00

− 0.17

− 0.17

− 0.67

− 0.39

Nodule 1

/

− 0.17

0.17

− 0.67

− 0.50

0.17

0.17

0.33

− 0.33

0.67

− 0.33

0.00

− 0.05

Nodule 2

/

− 0.17

− 0.33

− 0.50

− 0.33

0.83

− 0.50

0.17

0.67

0.00

0.00

− 0.33

− 0.05

Nodule 3

/

− 0.67

− 0.33

− 1.50

− 2.00

0.50

− 1.00

− 0.83

− 1.67

− 1.33

− 1.50

− 1.00

− 1.03

Nodule 4

/

− 0.17

− 1.50

− 1.50

− 2.17

− 1.17

− 1.67

− 1.17

− 1.50

− 0.83

− 1.33

− 1.33

− 1.30

Nodule 5

/

0.17

− 0.83

− 0.83

− 0.50

0.17

− 0.83

0.00

0.00

− 0.50

0.00

− 0.67

− 0.35

Noise impression

/

− 0.17

− 0.50

− 0.67

− 1.33

− 0.17

− 0.17

0.00

− 0.67

− 1.17

− 0.17

− 0.17

− 0.47

Mean (VGAS)

/

− 0.13

− 0.50

− 0.68

− 1.02

0.05

− 0.50

− 0.28

− 0.43

− 0.25

− 0.30

− 0.33

 
  1. Italics values showed a significant different VGAS compared to the reference image due to the 5% significance level