[Retracted] The Clinical Value of 3D Ultrasonic Measurement of the Ratio of Gestational Sac Volume to Embryo Volume in IoT-Based Prediction of Pregnancy Outcome

Table 6

Proportion analysis of Cox, a predictor of pregnancy outcome.

Parameter	B	SE	Wald	value	RR	95.0% CI
						Lower limit	Upper limit
GV	0.719	0.331	5.592	0.068	2.034	0.879	1.438
GSV	0.561	0.321	6.021	0.072	1.998	0.921	2.786
YSV	0.732	0.992	5.898	0.121	2.031	0.434	3.125
GSV:GV	1.003	0.561	6.432	0.0001	2.832	0.523	15.124