Table 2 Baseline characteristics of Non-VTE and VTE groups

Male^a

46(43)

3(30)

0.645

Age(years)^b

51.4(12.5)

57.9(5.4)

0.130

BMI(kg/m²)^b

23.4(3.1)

23.5(3.2)

0.969

Symptom^a

1.000

Hemoptysis

69(64.5)

6(60)

No-Hemoptysis

38(35.5)

4(40)

Special infection^a,d

27(25.2)

5(50)

0.093

Tuberculosis^a

0

1(10)

0.086

Fungus^a

25(23.3)

4(40)

0.434

Pseudomonas aeruginosa^a

4(3.7)

1(10)

0.366

Procedure^a

1.000

VATS

75(70)

7(70)

Thoracotomy

32(30)

3(30)

Resected Lobes^a

0.634

= 1 lobe

72(67.3)

6(60)

1–2 lobes

28(26.2)

3(30)

> 2 lobes

7(6.5)

1(10)

Operation time(min)^b

161.7(56.7)

171(58.2)

0.620

Lose blood(ml)^b

312.4(548.6)

153(78)

0.589

preoperative hospitalization(day)^c

5(3)

7(5)

0.028