Table 6

Predictors of exercise capacity as measured by VO2% predicted

VariablesB±SEStandardised coefficientp Value
Group*−17.21±6.02−0.560.005
Male sex−24.42±9.03−0.480.008
Shortness of breath with activity−9.63±4.01−0.160.018
More active than average10.69±3.410.210.003
Age−3.19±0.95−0.220.001
zBMI−10.06±1.43−0.47<0.001
Interaction: group×sex15.17±4.040.95<0.001
  • The R2 for the model is 0.43, p<0.001.

  • *Group: 1=mod/sev BPD, 2=no/mild BPD, 3=control.

  • BMI, body mass index; BPD, bronchopulmonary dysplasia; VO2, oxygen uptake; z, z-score.