FVC % predicted | D_{LCO}^{#} % predicted | 6MWD | |

Mean PAP | |||

Pearson coefficient | 0.047 | −0.16 | −0.20 |

p-value | 0.30 | 0.001 | <0.001 |

Paired observations n | 87 | 487 | 483 |

FVC % predicted | |||

Pearson coefficient | 0.43 | 0.20 | |

p-value | <0.0001 | <0.0001 | |

Paired observations n | 488 | 484 | |

6MWD | |||

Pearson coefficient | 0.36 | ||

p-value | <0.0001 | ||

Paired observations n | 484 |

FVC: forced vital capacity;

*D*_{LCO}: diffusion capacity of the lung for carbon monoxide; 6MWD: 6-min walk distance; PAP: pulmonary arterial pressure.^{#}: adjusted for haemoglobin.