D-Dimer Combined with Fibrinogen Predicts the Risk of Venous Thrombosis in Fracture Patients

Table 2

Results of univariate and multiple logistic regression models of the predictive risk factor of VTE in fracture patients.

Variables	Venous thrombosis
	Univariate model^a OR (95%CI)	Adjusted model^b OR (95%CI)
Age
Q1	Reference	Reference
Q2	1.61 (1.26, 2.05)	2.16 (1.21, 3.90)
Q3	2.01 (1.58, 2.55)	2.82 (1.59, 5.03)
Q4	3.40 (2.72, 4.23)	4.34 (2.46, 7.68)
D-dimer
M	Reference	Reference
H	4.78 (3.75, 6.08)	2.55 (1.79, 3.64)
Fibrinogen
L	Reference	Reference
M	1.08 (0.79, 1.50)	0.36 (0.16, 0.80)
H	0.80 (0.61, 1.05)	0.73 (0.39, 1.36)
C-reactive protein
M	Reference	Reference
H	2.56 (2.20, 2.96)	1.59 (1.14, 2.36)
High-density lipoprotein cholesterol
L	Reference	Reference
M	0.97 (0.50, 1.87)	0.22 (0.08, 0.62)
H	1.06 (0.56, 2.03)	0.21 (0.08, 0.59)

^aWithout adjusting for other covariates; ^badjusted for other covariates in multiple regression with backward selection; Q1 (age ≤ 45), Q2 (45 < age ≤ 60), Q3 ((60 < age ≤ 70), and Q4 (age > 70).