Variable

Total (No., %)

Control group air leak < 5 days n = 238 (No., %)

Air leak ≥ 5 days n = 31 (No., %)

P-value*

Current habit

Smoker

32 (11.90)

27 (11.34)

5 (16.13)

0.389

Alcoholism

7 (2.60)

6 (2.52)

1 (3.23)

0.580

Comorbid disease

CAD

28 (10.41)

25 (10.50)

3 (9.68)

0.887

CHF

7 (2.60)

2 (6.45)

5 (2.10)

0.187

PVD

11 (4.09)

2 (6.45)

9 (3.78)

0.369

Cerebrovascular disease

24 (8.92)

18 (7.56)

6 (19.35)

0.030

Chronic lung disease

96 (35.69)

13 (41.94)

83 (34.87)

0.434

Chronic cognitive deficit

1 (0.37)

1 (0.42)

0

0.718

Connective tissue disease

15 (5.58)

12 (5.04)

3 (9.68)

0.393

PUD

6 (2.23)

6 (2.52)

0

0.371

DM uncomplicated

32 (11.90)

31 (13.03)

1 (3.23)

0.145

DM complicated

3 (1.12)

3 (1.26)

0

0.530

CKD moderate to severe

6 (2.23)

5 (2.10)

1 (3.23)

0.524

Leukemia

3 (1.12)

3 (1.26)

0

0.530

Lymphoma

5 (1.86)

4 (1.68)

1 (3.23)

0.460

Solid tumour no mets

45

39 (16.39)

6 (19.35)

0.617

Solid tumour with mets

11 (4.09)

11 (4.62)

0

0.622

Liver disease mild

7 (2.60)

7 (2.94)

0

0.333

HIV/AIDS

1 (0.37)

1 (0.42)

0

0.718