Skip to main content

Table 3 Changes over time in the PAH group

From: Loss of alveolar membrane diffusing capacity and pulmonary capillary blood volume in pulmonary arterial hypertension

Variable Estimated unit/year change Wilcoxon SR p-value
FEV1 (ml) −144 0.1
FEV1 (%) −3 0.12
FVC (ml) −190 0.2
FVC (%) −5 0.2
FEV1/FVC 0.8 0.4
VA (ml) 20 0.4
FENO (ppb) 0.5 0.4
TLC (%) 0.7 0.5
DLCO (ml/min/mmHg) −1.2 0.7
DLNO (ml/min/mmHg) −24 0.01
Dm (ml/min/mmHg) −12 0.01
Vc (ml) 11 0.07
Dm/Vc (1/min/mmHg) −0.4 0.04
Hgb (g/dl) 0.05 0.6
  1. FENO: fractional exhaled nitric oxide.
  2. FVC: forced vital capacity.
  3. FEV1: forced expiratory volume in one second.
  4. TLC: total lung capacity.
  5. Va: alveolar volume.
  6. DL: lung diffusion for carbon monoxide (DLCO) and for nitric oxide (DLNO).
  7. Dm: alveolar-capillary membrane diffusing capacity.
  8. Vc: lung capillary blood volume.
  9. Hgb: hemoglobin.