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Table 4 Bland-Altman analysis of pairwise comparisons between core-laboratories for all methods

From: Sources of variability in quantification of cardiovascular magnetic resonance infarct size - reproducibility among three core laboratories

 

Core-lab 1 vs Core lab 2

Core-lab 1 vs Core lab 3

Core-lab 2 vs Core lab 3

Difference ± SD

95% Limits

of Agreement

Difference ± SD

95% Limits

of Agreement

Difference ± SD

95% Limits

of Agreement

AUTOSegment

−1.0 ± 5.0

p = 0.28

−11.1, 9.0

−0.8 ± 4.2

p = 0.29

−9.2, 7.6

0.2 ± 2.8

p = 0.72

−5.4, 5.8

AUTO-UCSegment

0.6 ± 3.4

p = 0.32

−6.1, 7.4

0.6 ± 2.4

p = 0.17

−4.3, 5.5

0.0 ± 3.4

P = 0.99

−6.8, 6.8

AUTOFWHM

−1.0 ± 4.4

p = 0.24

−9.7, 7.8

1.3 ± 4.7

p = 0.15

−8.1, 10.7

2.2 ± 4.2

0.007

−6.1, 10.7

AUTO-UCFWHM

0.03 ± 4.0

p = 0.97

−8.0, 8.1

−0.2 ± 3.3

p = 0.77

−6.8, 6.4

−0.3 ± 4.6

p = 0.81

−9.5, 9.1

MANUAL

3.9 ± 5.9

p < 0.01

−7.8, 15.6

6.5 ± 6.4

p < 0.01

−6.2, 19.3

2.6 ± 3.4

p < 0.01

−4.1, 9.4

MANUAL-ISI

0.0 ± 4.4

p = 0.98

−8.7, 8.8

1.4 ± 3.8

p = 0.06

−6.2, 9.0

1.4 ± 3.5

p = 0.04

−5.5, 8.3

VISUAL

−2.4 ± 4.6

p = 0.01

−11.5, 6.8

−2.9 ± 4.0

p < 0.01

−10.8, 5.1

−0.5 ± 3.7

p = 0.47

−7.9, 6.9

VISUAL-ISI

−1.5 ± 3.7

p = 0.03

−8.9, 5.9

−0.1 ± 2.3

p = 0.90

−4.6, 4.5

1.4 ± 3.5

p = 0.03

−5.7, 8.5

  1. SD standard deviation