Prevalence of preoperative Deep Venous Thrombosis (DVT) following elderly intertrochanteric fractures and development of a risk prediction model

Table 3 Multivariate analysis of factors associated with preoperative DVT following an intertrochanteric fracture

Variables	OR	95%CI		P
Variables	OR	lower limit	upper limit	P
History of VTE	4.43	2.04	9.62	< 0.001
Peripheral vascular disease	2.66	1.10	6.40	0.029
BMI (each kg/m² increment)	1.11	1.04	1.18	0.001
Delay to DVT examination (each day increment)	1.19	1.13	1.25	< 0.001
Albumin (< 32.5 g/L)	2.35	1.48	3.71	< 0.001
D-Dimer > 1.0 mg/L	1.90	1.13	3.20	0.016

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