TABLE 6.
Characteristics of patients with follow-up pulmonary function test (PFT) data
| PFT change | Improved | Declined | Stable |
| Patients | 4 (17) | 8 (33) | 12 (50) |
| History of an obstructive lung disease | 2 (50) | 3 (38) | 5 (42) |
| PFT pattern | |||
| Normal | 0 (0) | 1 (13) | 1 (8) |
| Obstructive | 2 (50) | 5 (63) | 7 (58) |
| Restrictive | 1 (25) | 1 (13) | 2 (17) |
| Mixed | 0 (0) | 1 (13) | 1 (8) |
| Nonspecific | 1 (25) | 0 (0) | 1 (8) |
| Carcinoid tumour on biopsy | 2 (50) | 5 (63) | 7 (58) |
| Constrictive bronchiolitis on biopsy | 0 (0) | 3 (38) | 3 (25) |
| Treatment given | |||
| Observation | 1 (25) | 1 (13) | 2 (17) |
| Inhaled β2-agonist | 3 (75) | 4 (50) | 7 (58) |
| Inhaled antimuscarinic | 2 (50) | 4 (50) | 6 (50) |
| ICS | 3 (75) | 3 (38) | 6 (50) |
| Octreotide | 1 (25) | 3 (38) | 4 (33) |
| Mean FEV1 % predicted initial/follow-up | 46/59 | 55/50 | 52/52 |
Data are presented as n (%) unless otherwise stated. ICS: inhaled corticosteroid; FEV1: forced expiratory volume in 1 s.