Table 6 High ICCs between the model and pathologists across four independent testing cohorts indicate high consistency and comparable performance

Ground truth

0.941(0.691, 0.991)

0.959 (0.776, 0.994)

0.927 (0.453, 0.995)

0.946 (0.715, 0.992)

Pathologist1+++^c

0.938 (0.677, 0.991)

0.957 (0.767, 0.994)

0.878 (0.215, 0.991)

0.918 (0.592, 0.988)

Pathologist2++^c

0.873 (0.422, 0.981)

0.960 (0.783, 0.994)

0.909 (0.356, 0.994)

0.928 (0.633, 0.989)

Pathologist3++^c

0.945 (0.709, 0.992)

0.945 (0.709, 0.992)

0.928 (0.460, 0.995)

0.922 (0.608, 0.988)

Pathologist4+^c

0.944 (0.707, 0.992)

0.800 (0.200, 0.969)

0.905 (0.538, 0.986)

0.754 (0.086, 0.961)

P value^d

< 0.05

< 0.05

< 0.05

< 0.05