Establishment of a nomogram model for predicting therapy complications in patients with polycythemia and deep venous thrombosis

Table 3 Multifactorial regression analysis affecting thrombotic recurrence in patients with lower-extremity deep venous thrombosis complicated with high-altitude polycythemia

Factor	β	SE	Wald χ2	OR	P value	95%CI
Age	0.783	0.245	10.214	2.188	0.001	1.354-3.537
Braking during follow-up	0.634	0.189	11.253	1.885	< 0.001	1.302-2.730
Medication compliance	0.893	0.232	14.816	2.442	< 0.001	1.550-3.849
Compliance with wearing elastic stockings	0.369	0.047	61.639	1.446	< 0.001	1.319-1.586
D-D	0.455	0.119	14.619	1.576	< 0.001	1.248-1.990
FDP	0.518	0.224	5.348	1.679	0.021	1.082-2.604

D-D: D-dimer; FDP: Fibrin degradation product.