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Table 1 Comparison of medical characteristics of patients

From: Clinical characteristics of pneumothorax and pneumomediastinum in mechanical ventilated patients with coronavirus disease 2019: a case series

Patient

Age

Sex

BMI

PTX

PM

From onset to occurrence PTX/PM, in days

From mechanical ventilation to occurrence PTX/PM, in days

The first symptom

Smoking history

Respiratory comorbidities

Other comorbidities

CT features on admission

Fever

Dyspnea

Diarrhea

Dyspnea

HT

DM

CKD

Malignancy

1

57

M

24.1

 + 

25

19

 + 

 + 

Asthma

 + 

None

2

66

M

24.3

 + 

56

47

 + 

 + 

 + 

 + 

None

 + 

None

3

76

M

28.7

 + 

 + 

22

10

 + 

 + 

 + 

None

 + 

None

4

56

M

27.2

 + 

19

10

 + 

 + 

 + 

None

 + 

 + 

None

5

94

M

19.9

 + 

15

7

 + 

 + 

None

 + 

-

 + 

None

6

74

M

26.6

 + 

23

14

 + 

 + 

None

 + 

Emphysema

7

54

M

34.4

 + 

53

35

 + 

 + 

 + 

 + 

None

 + 

 + 

None

8

70

M

22.3

 + 

 + 

14

10

 + 

-

None

None

9

66

M

26.2

 + 

23

22

-

 + 

None

None

10

62

M

28.4

 + 

12

7

 + 

 + 

None

 + 

 + 

None

11

54

M

25.1

 + 

48

35

 + 

-

 + 

None

 + 

None

12

58

M

26.7

 + 

 + 

29

15

 + 

 + 

None

None

Median

64

 

26.4

  

23[17–38.5]

14.5[10–28.5]

           

[IQR]

[56.5–72]

[24.2–27.8]

       
  1. In this study, three patients (25%) presented with both PTX/PM, seven patients (58%) with PTX alone, and two patients (17%) with PM alone. All patients were male. Only one patient had respiratory comorbidities, and only one patient showed emphysema on chest CT at admission
  2. Continuous variables are expressed as medians (IQR)
  3. BMI body mass index, PTX pneumothorax, PM pneumomediastinum, CT computed tomography, IQR interquartile range, HT hypertension, DM diabetes mellitus, CKD chronic kidney disease