Deep Vein Thrombosis in the Uninjured Limb in Patients with Lower Extremity Fractures: A Retrospective Study

Table 1

Patient characteristics according to ultrasound during hospitalization.

	No thrombosis	Thrombosis	Overall
Number	396	98	494
Age				<0.001
Gender
Female	200	66	266	0.003
Male	196	32	228
Types of fracture
Above the knee joint fracture	215	75	290	<0.001
Around the knee joint fracture	90	11	101
Below the knee joint fracture	91	12	103
Medical morbidity
Hypertension (%)	61 (15.40)	27 (27.55)	88	0.005
Diabetes (%)	26 (6.57)	11 (11.22)	37	0.117
Coronary heart disease (%)	72 (18.18)	33 (33.67)	105	0.001
Days between fracture and operation (days)				0.241
Days between operation and discharge (days)				0.761
ASA classification
1	80	8	88	0.013
2	243	65	308
3	73	25	98
Duration of operation (mins)				0.354
Blood loss (mL)				0.470
Liquid transfusion (mL)				0.149
Serum markers
D-dimer at admission (mg/L)				0.723
D-dimer at preoperation (mg/L)				0.919
D-dimer at one day after operation (mg/L)				<0.001

ASA: American Society of Anesthesiologists.