Table 1– Demographics characteristics of the study population
AetiologyPatientsMean age yrsMales %
IPF166188
COPD85838
CF22350
IPAH180
Normal1480
  • The normal lung tissue was taken from a patient who suffered severe haemorrhage from a broncholith requiring a pneumonectomy. IPF: idiopathic pulmonary fibrosis; COPD: chronic obstructive pulmonary disease; CF: cystic fibrosis; IPAH: idiopathic pulmonary arterial hypertension.