TABLE 6

Characteristics of patients with follow-up pulmonary function test (PFT) data

PFT changeImprovedDeclinedStable
Patients4 (17)8 (33)12 (50)
History of an obstructive lung disease2 (50)3 (38)5 (42)
PFT pattern
 Normal0 (0)1 (13)1 (8)
 Obstructive2 (50)5 (63)7 (58)
 Restrictive1 (25)1 (13)2 (17)
 Mixed0 (0)1 (13)1 (8)
 Nonspecific1 (25)0 (0)1 (8)
Carcinoid tumour on biopsy2 (50)5 (63)7 (58)
Constrictive bronchiolitis on biopsy0 (0)3 (38)3 (25)
Treatment given
 Observation1 (25)1 (13)2 (17)
 Inhaled β2-agonist3 (75)4 (50)7 (58)
 Inhaled antimuscarinic2 (50)4 (50)6 (50)
 ICS3 (75)3 (38)6 (50)
 Octreotide1 (25)3 (38)4 (33)
Mean FEV1 % predicted initial/follow-up46/5955/5052/52

Data are presented as n (%) unless otherwise stated. ICS: inhaled corticosteroid; FEV1: forced expiratory volume in 1 s.