Respiratory function: comparison of patients with cystic fibrosis (symptomatic and asymptomatic) and controls
Subjects | Respiratory rate (breaths/min) | Compliance (ml/cm H2O/kg) | Resistance (cm H2O/ml/s) | FRCN2 (%) | VmaxFRC (%) | Time constant (s) |
---|---|---|---|---|---|---|
Symptomatic3-151 (n = 7) | 41.8 (12.2)3-150 | 1.22 (0.4) | 0.04 (0.01) | 98.6 (11.4) | 57.4 (24.0)3-160 | 0.41 (0.19) |
Asymptomatic3-151 (n = 12) | 32.8 (8.4) | 1.40 (0.4) | 0.04 (0.01) | 112.8 (24.5) | 77.2 (37.3) | 0.31 (0.15) |
Total patients (n =19) | 36.3 (10.7) | 1.33 (0.4) | 0.04 (0.01) | 106.8 (20.6) | 61.9 (32.8)3-150 | 0.35 (0.17) |
Controls (n = 14) | 31.9 (9.2) | 1.43 (0.5) | 0.04 (0.01) | 101.7 (28) | 103.4 (37.3) | 0.34 (0.26) |