Table 4.

Per-case Dice similarity coefficients [IQR]/global) between couples of four independent expert abdominal radiologists

	Radiologist 1	Radiologist 2	Radiologist 3	Radiologist 4
Radiologist 1	−	0.90 (0.87−0.93)/0.91	0.92 0.90−0.95)/0.92	0.91 (0.89−0.94)/0.94
Radiologist 2	0.90 (0.87−0.93)/0.91	−	0.94 (0.90−0.96)/0.92	0.93 (0.88−0.96)/0.93
Radiologist 3	0.92 (0.90−0.95)/0.92	0.94 (0.90−0.96)/0.92	−	0.94 (0.90−0.97)/0.93
Radiologist 4	0.91 (0.89−0.94)/0.94	0.93 (0.88−0.96)/0.93	0.94 (0.90−0.97)/0.93	−

Radiologist 1 is the observer determining the ground truth in the development of the model

Radiologists 2, 3, and 4 are the three additional abdominal radiologists. IQR Interquartile range (25th−75th percentile)