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Table 4 Multivariate analysis of the factors associated with postoperative DVT following femoral shaft fracture

From: The incidence and risk factors of deep venous thrombosis in lower extremities following surgically treated femoral shaft fracture: a retrospective case-control study

Variables OR 95%CI P
Lower limit Upper limit
Current smoking 2.902 1.127 7.471 0.027
Intraoperative blood loss (> 550 ml) 2.202 1.093 4.436 0.043
Age (> 35 years) 2.789 1.197 6.497 0.017
d-dimer (> 1.09 μg/ml) 4.562 2.257 9.223 < 0.001