BPD - (n=61)BPD+ (n=57)
 Coef. (95% CI)p valueCoef. (95% CI)p value
FVC9.79 (-1.24;20.8)0.0388.54 (-2.18;19.2)0.200
FEV0.59.55 (0.57;18.5)0.0155.97 (-1.48;13.4)0.113
FEF5014.8 (-3.12;32.7)0.0603.51 (-16.5;23.5)0.477
FEF7515.7 (2.74;28.7)0.0078.48 (-2.89;19.8)0.158
FEF25-7523.3 (1.50;45.0)0.0278.09 (-10.3;26.5)0.252