Non-invasive model for predicting esophageal varices based on liver and spleen volume

Table 5 Parameters used to establish the non-invasive prediction model

Parameter	B	S.E	Wals	df	Sig.	Exp (B)	95%CI of EXP (B)
PVD (mm)	-0.216	0.184	1.384	1	0.239	0.806	0.562-1.155
CTLV (cm3)	-0.013	0.004	9.465	1	0.002	0.987	0.979-0.995
CTSV (cm3)	0.016	0.006	7.047	1	0.008	1.016	1.004-1.028
Rate of spleen volume change	-1.929	0.895	4.646	1	0.031	0.145	0.025-0.839
liver volume change (cm3)	0.009	0.004	5.112	1	0.024	1.009	1.001-1.016
Constant	12.925	4.414	8.573	1	0.003	410393

PVD: Portal vein diameter; CTLV: Actual liver volume measured by computed tomography; CTSV: Actual spleen volume measured by computed tomography; df: Degree of freedom; CI: Confidence interval.