Parameters

DVT or PE group (n = 9)

Control group (n = 525)

P value

Female gender

7(77.78)

476(90.67)

0.1291

Age ≥ 65 yr

8(88.89)

383(72.95)

0.2844

Hospital stay over 2 wks

3(33.33)

88(16.76)

0.1899

Revision Sugery

4(44.44)

51(9.71)

0.0007

BMI ≥ 25 (kg/m2)

1(11.11)

317(60.38)

0.0028

Laboratory findings

Hematocrit < 38%

6(66.67)

250(47.62)

0.2567

Platelet count < 150 × 103

3(33.33)

52(9.90)

0.0219

Serum creatinine > 1.2 (mg/dl)

2(22.22)

94(17.90)

0.7380

ICU stay

3(33.33)

15(2.86)

<0.0001

Use of compression stockings

6(66.67)

360(68.57)

0.9029

Administration of prophylactic anticoagulation

8(88.89)

516(98.29)

0.0392

Prophylactic anticoagulation (Enoxaparin/Fondaparinux)

6(66.67)

235(44.76)

0.1904

Comorbidities

Diabetes

2(22.22)

102(19.43)

0.8338

Hypertension

5(55.56)

320(60.95)

0.7422

Coronary artery disease

0(0.00)

50(9.52)

0.3308

Cerebrovascular disease

0(0.00)

19(3.62)

0.5611

Chronic renal failure

0(0.00)

11(2.10)

0.6608

Chronic obstructive pulmonary diseases

0(0.00)

8(1.52)

0.7090

Malignancies

1(11.11)

30(5.71)

0.4924

Hyperlipidemia

0(0.00)

9(1.71)

0.6920

Personal history of venous thromboembolism

1(11.11)

0(0.00)

<0.0001

Local complication

1(11.11)

22(4.19)

0.3106