Demographics

Pneumothorax N = 57

Malignant N = 168

Non-malignant + Non empyema/CPE N = 81

Empyema/CPE N = 41

Gender

Male

41

88

54

27

Female

16

80

27

14

Age

Median (years)

60

71

73

68

Average (years)

55.7

69.8

67.9

65.3

Site of insertion

Left

26

63

40

23

Right

30

94

40

18

Bilateral

1

11

1

0

Smoking history

Never

14

64

33

15

Ex

24

80

37

19

Current

19

24

11

7

Underlying lung disease

COPD

19

30

14

10

ILD/Restrictive

3

6

3

4

PE

0

9

1

1

Asthma

2

7

2

1

Pneumothorax

6

0

0

0

Sarcoidosis

3

2

0

0

Other

3

4

8

5

Immunosuppression

Prednisone

NA

NA

NA

4

Diabetes

6

Underlying cancer

6

Steroid sparing agent

1