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Table 3 Qualitative evaluation

From: Part 2 – Coronary angiography with gadofosveset trisodium: a prospective intra-subject comparison for dose optimization for 100 % efficiency imaging

 

Mean image quality

 

Wilcoxon

ICC

Level

Single dose

Double dose

Δ %

P value

Intra

Inter

LAD prox

0.65 ± 0.40

0.89 ± 0.26

36.9

0.004

0.77

0.81

LAD mid

0.48 ± 0.33

0.60 ± 0.29

25.0

0.048

0.44

0.7

LCX prox

0.52 ± 0.39

0.62 ± 0.40

19.2

NS

0.73

0.76

LCX mid

0.14 ± 0.25

0.33 ± 0.35

135.7

0.020

0.6

0.51

RCA prox

0.68 ± 0.38

0.69 ± 0.40

1.5

NS

0.87

0.79

RCA mid

0.33 ± 0.24

0.43 ± 0.38

30.3

NS

0.48

0.61

Overall prox

0.62 ± 0.36

0.73 ± 0.29

17.7

NS

-

-

Overall mid

0.32 ± 0.22

0.45 ± 0.27

40.6

0.013

-

-

Overall prox+mid

0.47 ± 0.29

0.60 ± 0.25

27.7

0.019

-

-

  1. Double dosing results in higher per-segment image quality of arterial segments. Statistically significant changes are shown in bold
  2. LAD Left anterior descending coronary artery
  3. LCX Left circumflex coronary artery
  4. RCA Right coronary artery
  5. prox Proximal
  6. mid Middle