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Table 3 Tabellarized results from the interrater analysis

From: Effectuality study of a 3D motion correction algorithm in C-arm CTs of severely impaired image quality during transarterial chemoembolization

 

Reader 1

Reader 2

Reader 3

Reader 4

CACTOrg

CACTMC_no bone

CACTOrg

CACTMC_no bone

CACTOrg

CACTMC_no bone

CACTOrg

CACTMC_no bone

Vessel visualization

(1–5)

3.07 ± 0.78

1.61 ± 0.79

3.19 ± 0.74

1.45 ± 0.64

n.a

n.a

Mean overall score (R1 + R2):

CACTOrg: 3.07 ± 0.75

CACTMC_no bone: 1.55 ± 0.72 *

ICC = 0.74 *

Overall image quality (1–3)

2.52 ± 0.51

1.41 ± 0.57

2.7 ± 0.45

1.37 ± 0.56

n.a

n.a

Mean overall IQ (R1 + R2):

CACTOrg: 2.63 ± 0.7

CACTMC_no bone: 1.39 ± 0.8 *

ICC = 0.79 *

  

Presence of breathing motiom artifacts (yes/ no)

n = 15

n = 11

n.a

n.a

ICC 0.73 *

Preferred dataset

n = 4

n = 20

n = 4

n = 20

n = 3

n = 21

n = 2

n = 22

Extent of preference (-2: much less – + 2: much more)

  

0.9

1.2

Need for additional/repeat imaging (yes/no)

n = 2

n = 4

n = 4

n = 8

Mean distance of subcapsular, segmental vessels to liver capsule [mm]

15.3 ± 14.9

11.5 ± 13.5

n.a

n.a

  1. Abbreviations: CACTOrg: original C-Arm CT dataset, CACTMC_no bone: post-processed C-Arm CT (motion correction, bone segmentation)
  2. *p < 0.01