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Table 2 Results of univariate analysis

From: Intermittent pneumatic compression for prevention of pulmonary thromboembolism after gynecologic surgery

Factor

Odds ratio

p value (chi-square)

Age ≥40 years old

6.637

<0.01

Age ≥50 years old

4.362

<0.01

BMI ≥25 kg/m2

3.718

<0.01

BMI ≥28 kg/m2

3.911

<0.05

Smoking

0.809

n.s.

Hypertension

3.018

<0.01

Abnormal glucose tolerance

6.285

<0.05

Heart disease

2.951

<0.05

Collagen disease

2.161

n.s.

Malignant tumor surgery

8.327

<0.01

Retroperitoneal lymph node dissection

7.577

<0.01

Perioperative bleeding ≥1,000 mL

3.797

<0.01

Perioperative bleeding ≥2,000 mL

4.252

<0.01

Blood transfusion

7.152

<0.01

Operating time ≥4 hours

5.999

<0.01

Operating time ≥6 hours

5.516

<0.01

  1. BMI: body mass index
  2. n.s.: not significant