Table 2.

Automatic vs manual fetal lung ROI delineation accuracy and reproducibility.

Automatic delineation ACCURACY (compared with expert’ ROIs)
Overlap average	93% (std = 4.5%)
Number of Images with overlap <50%	12 (1.5%)
REPRODUCIBILITY (comparison with itself)
	AUTOMATIC	MANUAL
Overlap average	100% (0%)	88% (std = 2.0%)
Number of Images with overlap <50%	0 (0%)	0 (0%)

Mean (SD) or n (%) where appropriate.