Table 2.

Dice similarity coefficient and 95% CI of the automatic segmentation model

	Interval validation (n=53)		External validation (n=56)
	DSC	95% CI	DSC	95% CI
MPSI	0.985	0.983 to 0.986	0.982	0.982 to 0.984
MPSO	0.971	0.967 to 0.974	0.970	0.970 to 0.973
MVEN	0.972	0.968 to 0.976	0.972	0.972 to 0.975
SFT	0.958	0.918 to 0.980	0.967	0.943 to 0.980
VFT	0.954	0.941 to 0.964	0.947	0.928 to 0.963
Average	0.968	0.958 to 0.975	0.968	0.959 to 0.974

DSC, Dice similarity coefficient; MPSI, spinal muscle; MPSO, psoas muscle; MVEN, ventral abdominal muscle; SFT, subcutaneous fat tissue; VFT, visceral fat tissue.