Fig. 1From: Anemia and formation of deep vein thrombosis before operation in patients with knee osteoarthritis: a cross-sectional studyThe research route of PSM in preoperative anemia and DVT in TKA patients. TKAātotal knee arthroplasty; DVTādeep vein thrombosis; BMIābody mass index; DMādiabetes mellitus; OAāosteoarthritis; CHDācoronary heart disease; COPDāchronic obstructive pulmonary disease;Back to article page