Table 3 ICC analysis of the per-lesion (per artery) and per-patient Agatston scores calculated from both manual segmentation and AI automated segmentation using the test sets across all four groups. The p-values were less than 0.001 in all groups at both the per-lesion and per-patient levels.

From: Evaluating the generalizability of an automated coronary artery calcium segmentation and scoring algorithm using multi-vendor dataset

 

ICC (95% CI) per lesion

ICC (95% CI) per patient

LM

LAD

LCX

RCA

Group 1

0.66 (0.60, 0.72)

0.94 (0.93, 0.95)

0.93 (0.92, 0.94)

0.98 (0.98, 0.99)

0.95 (0.95, 0.96)

Group 2

0.78 (0.72, 0.83)

0.97 (0.96, 0.98)

0.94 (0.93, 0.96)

0.99 (0.99, 0.99)

0.99 (0.99, 1.00)

Group 3

0.75 (0.69, 0.80)

0.98 (0.97, 0.98)

0.94 (0.93, 0.95)

1.00 (0.99, 1.00)

0.99 (0.99, 0.99)

Group 4

0.99 (0.96, 0.99)

0.99 (0.97, 1.00)

0.95 (0.86, 0.98)

1.00 (1.00, 1.00)

1.00 (0.99, 1.00)

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