Accurate and generalizable quantitative scoring of liver steatosis from ultrasound images via scalable deep learning

Table 2 Reliability studies in different views

	Repeatability study		Cross-scanner agreement study
View	n	Max RC	n	Bias	Min lower LOA	Max upper LOA	Agreement
LLL	342	0.27 (0.24, 0.29)	237	0.00 (-0.01, 0.01)	-0.37 (-0.32, -0.42)	0.37 (0.32, 0.42)	92%
RLL	370	0.21 (0.19, 0.23)	232	0.00 (-0.01, 0.01)	-0.37 (-0.33, -0.42)	0.37 (0.33, 0.42)	92%
LKC	267	0.30 (0.27, 0.34)	183	0.00 (-0.01, 0.01)	-0.35 (-0.29, -0.41)	0.35 (0.29, 0.41)	93%
SC	297	0.26 (0.24, 0.29)	182	0.00 (-0.01, 0.01)	-0.36 (-0.31, -0.42)	0.36 (0.31, 0.42)	94%
All view groups	-	-	237	0.00 (-0.01, 0.01)	-0.25 (-0.21, -0.28)	0.24 (0.21, 0.28)	94%

On the left, the max repeatability coefficient was tabulated when using three images for each view group (Histopathology unblinded test group and Trimachine group datasets). On the right, the bias, worst-case limits of agreement, and agreement (%) were tabulated across different view groups for the Trimachine dataset. The results for all scanner pairs were combined. Parentheses enclose bootstrapped 95% confidence intervals. RC: Repeatability coefficient; LOA: Limits of agreement; LLL: Left liver lobe; RLL: Right liver lobe; LKC: Liver/kidney contrast; SC: Subcostal.