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Table 1 Characteristics of patients with pneumothorax

From: A novel finding related to bulla and bleb formation in patients with primary spontaneous pneumothorax

Clinical factors

Total

 ≤ 34 years of age, nonsmokers

 ≤ 34 years of age, smokers

 ≥ 55 years of age

Control group

Number of patients (%)

138

(100)

64

(46.4)

21

(15.2)

26

(18.8)

27

(19.6)

Age, mean

38

20

25

66

64

Sex

     

Male:Female

118:20

58:6

21:0

26:0

13:14

Laterality

     

Right:Left

71:67

32:32

9:12

16:10

14:13

Smoking

     

Yes:No

62:76

0:64

21:0

26:0

15:12

Asthma

     

Yes:No

16:122

9:55

4:17

2:24

1:26

Bulla or bleb

     

Yes:No

106:32

63:1

20:1

23:3

0:27

Intraoperative air leakage from bulla or bleb

     

Yes

43

17

8

18

0

Type of surgery

     

Bullectomy

104

63

21

20

0

Partial resection

28

0

0

1

27

Other

6

1

0

5

0