Diagnostic efficacy of virtual organ computer-assisted analysis in measuring the volume ratio of subchorionic hematoma with serum progesterone

Table 3 Differential diagnostic efficacy of different subchorionic hematoma sizes for adverse versus normal pregnancy

	ROC	Cut-off	Sensibility	Specificity	Positive predictive value	Negative predictive value
Cs (cm)	0.671 (0.579, 0.763)	4.340	0.561	0.760	0.582	0.745
Ss (cm2)	0.697 (0.611, 0.784)	1.350	0.825	0.510	0.500	0.830
3DVs (cm3)	0.743 (0.661, 0.826)	2.180	0.807	0.719	0.630	0.863
Cs/Cg	0.262 (0.180, 0.344)	0.400	0.737	0.677	0.575	0.713
Ss/Sg	0.710 (0.624, 0.797)	0.360	0.474	0.885	0.711	0.739
3DVs/3DVg	0.767 (0.691, 0.844)	0.220	0.702	0.750	0.625	0.809

SCH: Subchorionic hematoma; Cs: The circumference of SCH; Ss: The surface area of SCH; Cg: The circumference of GS; Sg: The surface area of GS; 3DVs: The three-dimensional volume of SCH (3DVs); 3DVg: Three-dimensional volume of GS; ROC: Receiver operating characteristic.