Table 3 Lung diffusing capacity and pulmonary blood flow
From: Influence of resting lung diffusion on exercise capacity in patients with COPD
Mean ± SD | Percent predicted or (Range) | |
|---|---|---|
Single Breath DLCO (SBDLCO, ml/min/mmHg) | 13.2 ± 5.5 | 58 ± 23 (31 –112) |
Intra Breath DLCO (IBDLCO, ml/min/mmHg) | 9.7 ± 5.9 | (1.3 – 27) |
IBDLCO/SBDLCO (%) | 71 ± 26 | (20 – 110) |
Pulmonary Blood Flow (Qc, L/m, measured) | 4.8 ± 0.9 | (3.3 – 6.8) |
Pulmonary Blood Flow –Cardiac output, (L/m, Predicted) | 6.3 ± 0.4 | (5.4 – 7.1) |
SBDLCO/Qc ratio | 2.8 ± 1.2 | (1.2 – 5.7) |
Hgb (g/dl) | 13.5 ± 1.7 | (11–17) |