Participant characteristics and exercise responses
| BPD (N = 20) | Healthy Controls (N = 15) | |
| Age (years) | 49 (14) | 50 (18) |
| BMI (kg/m2) | 26.0 (5.0) | 24.5 (3.7) |
| FEV1 (% predicted) | 107 (18) | 95 (18)* |
| FEV1/FVC | 0.78 (0.06) | 0.75 (0.12) |
| VO2/kg Peak (ml/min/kg) | 20.7 (7.1) | 37.9 (14.9)** |
| VO2 Peak (% Predicted) | 79.8 (17.5) | 124.8 (27.3)** |
| ApEn Tidal Volume | 1.31 (0.23) | 1.04 (0.28)** |
| ApEn Breathing Frequency | 1.42 (0.22) | 1.24 (0.24)* |
| ApEn Minute Ventilation | 1.01 (0.29) | 0.64 (0.22)** |