Nomogram-based prediction of the prognosis in patients with free floating venous thrombus after closed traumatic fracture

Table 2 Multivariable regression analysis of the risk factors affecting the prognosis in patients with FFVT after closed traumatic fractures

Variables	β	Sig	Wald χ²	OR	95% CI	P value
Calf vein (ref)
Popliteal vein	-2.866	0.662	18.749	0.057	0.016–0.208	<0.001
iliac-femoral vein	-2.096	0.723	8.401	0.123	0.030–0.507	0.004
D-dimer	1.544	0.374	17.297	4.732	2.275–9.845	<0.001
Flow around the thrombus	3.704	0.413	80.559	40.616	18.089–91.198	<0.001
Thrombus margins	2.599	0.358	52.755	13.452	6.671–27.126	<0.001

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