Table 4

Lung function variables in preterm children with and without BPD

Lung function variable	BPD (n = 39)	No BPD (n = 130)	δ^4-150	95% CI^4-151
FVC	98.2 (14.4)	101.4 (12.0)	−3.2	−7.7 to 1.3
FEV₁	88.5 (18.2)	96.7 (12.6)	−8.2	−13.2 to −3.1
FEV₁/FVC (%)	78.6 (11.1)	84.2 (8.8)	−5.5	−8.9 to −2.1
V′_EMAX75%	85.6 (24.9)	96.4 (21.4)	−10.7	−19.1 to −2.4
V′_EMAX50%	83.6 (36.0)	95.7 (25.6)	−12.0	−22.6 to −1.5
V′_EMAX25%	77.1 (36.1)	94.8 (35.3)	−17.7	−30.7 to −4.7
FEF_25–75%	71.3 (30.9)	83.5 (23.8)	−12.2	−21.4 to −3.0
RV	115.8 (53.0)	112.8 (37.6)	3.0	−12.2 to 18.3
TLC	98.9(14.7)	99.3 (14.2)	−0.4	−5.7 to 4.9
RV/TLC (%)	27.4 (10.3)	27.5 (7.6)	−0.1	−3.2 to 2.9

Data expressed as mean (SD), and are % predicted for height, age, and gender, unless otherwise specified.
↵4-150 Difference between groups.
↵4-151 95% confidence interval for difference between groups.