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Table 2 Characteristics of students with asymptomatic PSP (APSP)

From: The incidence and risk factors of asymptomatic primary spontaneous pneumothorax detected during health check-ups

 

All case

APSP

 
 

N

Mean

SEM

N

Mean

SEM

z-value

 

Male

 Age

78,678

22.11

0.01

39

20.23

0.69

−3.20

*

 BH (cm)

78,081

172.19

0.02

39

174.05

0.98

1.98

*

 BW (kg)

78,081

62.95

0.03

39

56.58

1.05

−4.12

*

 BMI

78,081

21.21

0.01

39

18.66

0.29

−5.46

*

 BH change (cm/year)

43,769

0.21

0.00

34

0.62

0.11

3.59

*

 sBP (mmHg)

78,646

119.93

0.05

39

116.26

1.83

−1.71

 

 dBP (mmHg)

78,646

66.42

0.03

39

66.03

1.31

−0.28

 

 PR (/min)

76,060

74.35

0.05

39

79.36

2.59

2.30

*

Female

 Age

22,851

23.04

0.03

4

24.75

4.21

0.74

 

 BH (cm)

22,642

159.69

0.04

4

164.40

0.51

1.72

 

 BW (kg)

22,641

51.03

0.05

4

50.80

2.84

−0.07

 

 BMI

22,641

19.99

0.02

4

18.80

0.93

−1.01

 

 BH change (cm/year)

12,003

0.17

0.01

3

1.13

0.20

2.75

*

 sBP (mmHg)

22,837

107.11

0.08

4

101.75

4.23

−0.91

 

 dBP (mmHg)

22,836

61.93

0.05

4

59.25

5.41

−0.67

 

 PR (/min)

22,244

77.74

0.08

4

78.00

6.18

0.04

 
  1. APSP asymptomatic primary spontaneous pneumothorax, BH body height, BW body weight, BMI body mass index, sBP systolic blood pressure, dBP diastolic blood pressure, PR pulse rate
  2. *: |z| > 1.96
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BMC Pulmonary Medicine

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