Table 1 Pulmonary function test findings in preschool children with congenital diaphragmatic hernia and healthy control group^a

Male, n (%)

15 (53%)

19 (50%)

–

0.80

PFT age^b, years

6.2 ± 0.2

6.2 ± 0.1

–

0.96

FVC, liter

1.2 ± 0.1

1.5 ± 0.04

0.3 ± 0.1

< 0.001

FVC%, %

91.2 ± 2.6

107.4 ± 1.6

16.2 ± 3.1

< 0.001

FEV₁, liter

1.1 ± 0.05

1.4 ± 0.04

0.3 ± 0.1

< 0.001

FEV₁%, %

90.7 ± 2.7

108.4 ± 1.9

17.8 ± 3.3

< 0.001

FEV₁/FVC, %

91.1 ± 1.3

92.1 ± 0.9

1.1 ± 1.6

0.50

FEF_{25_75%}, liter/second

1.5 ± 0.1

1.9 ± 0.1

0.4 ± 0.1

< 0.01

FEF_{25_75%}%, %

98.8 ± 5.7

103.7 ± 4.8

5.0 ± 7.5

0.50