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Table 1 Clinical and functional characteristics at the time of diagnosis of pulmonary hypertension.

From: Right-to-left shunt with hypoxemia in pulmonary hypertension

Clinical and functional parameters Mean ± SD (range)
Age, yr 64.0 ± 15 (25–82)
Sex (M/F) 19/15
Ex- or active smokers, % 50
Dyspnea NYHA class III–IV, % 76
6-min-walk distance, m 271 ± 116 (32–465)
TLC, % predicted 89 ± 16 (51–121)
FEV1, % predicted 76 ± 20 (33–117)
FEV1/FVC, % 65 ± 11 (36–88)
DLco, % predicted 49 ± 30 (12–113)
DLco/VA, % predicted 51 ± 28 (11–113)
PaO2, kPa 6.8 ± 1.3 (4.5–10.0)
  1. FEV1, forced expiratory volume in one second; TLC, total lung capacity; DLco, single-breath diffusing capacity of the lung for carbon monoxide; VA, alveolar volume; NYHA, New York Heart Association.
  2. Data expressed are mean ± SD (range) for quantitative values.