Average and standard deviation or rate (%)

Gender (M/F)

51(9.55)/483(90.45)

Age

68.72 ± 9.13

Duration of admission

11.93 ± 9.53(5 - 76)

Types of operation

Primary total knee replacement

479(89.70)

Revision surgery

55(10.30)

Body mass index (kg/m2)

25.99 ± 3.89

Laboratory findings

Hematocrit (%)

37.86 ± 4.02(14.10 - 49.30)

Platelet count (×103)

243.59 ± 72.88(34.4 - 664.0)

Serum creatinine level (mg/dl)

0.98 ± 1.81(0.34 - 24.40)

Compression stockings-wearing

366(68.54)

Administration of prophylactic anticoagulation

524(98.13)

Kinds of prophylactic anticoagulation

Enoxaparin

241(45.99)

Fondaparinux

283(54.01)

Comorbidities

Diabetes

104(19.48)

Hypertension

325(60.86)

Past history of tuberculosis

6(1.12)

Coronary artery disease

50(9.36)

Cerebrovascular disease

19(3.56)

Chronic renal failure

11(2.06)

Chronic obstructive pulmonary diseases

8(1.50)

Malignancies

31(5.81)

Hyperlipidemia

9(1.69)

Personal history of venous thromboembolism

1(0.19)