Table 3 Difference in adjusted medians of lung function when comparing BPD groups to “no BPD”

Static spirometry^a

n = 15

n = 7

n = 4

n = 26

n = 20

 TLC (mL)

−464 (−1151;224)

345 (−460;1150)

18 (−938;974)

−373 (−932;186)

Ref

 RV (mL)

−148 (−536;240)

−147 (−602;307)

215 (−325;754)

−100 (−360;160)

Ref

Impulse oscillometry^a

n = 16

n = 7

n = 3

n = 26

n = 22

 R_5–20 (kPa/L/s)

0.036 (−0.019;0.090)

0.013 (−0.069;0.095)

0.340*** (0.218;0.461)

0.041 (−0.010;0.093)

Ref

 AX (kPa/L)

0.034 (−0.322;0.38)

0.134 (−0.403;0.670)

3.704*** (2.907;4.502)

0.115 (−0.187;0.418)

Ref

Ergospirometry^b

n = 13

n = 7

n = 4

n = 24

n = 17

 VO₂ (mL/kg/min)

−1.7 (−9.3;5.9)

−2.3 (−11.8;7.2)

−9.1 (−20.5;2.3)

−4.0 (−10.9;2.9)

Ref