Table 2 Baseline characteristics of 418 PiZZ patients split according to CT scan findings
Bronchiectasis alone | Emphysema alone | Bronchiectasis plus Emphysema | Normal CT scan | |
|---|---|---|---|---|
Total, n | 38 | 190 | 113 | 77 |
Age, years: Mean (SD) | 57.2 (10.2) | 58.8 (9.9) | 61.1 (11.0) | 46.2 (14.0) |
Male, n (%) | 11 (28.9%) | 112 (58.9%) | 59 (52.2%) | 36 (46.8%) |
Smoking, n (%) | ||||
Current | 0 | 4 (2.1%) | 0 | 2 (2.6%) |
Ex-smoker | 12 (31.6%) | 140 (73.7%) | 77 (68.1%) | 20 (26.0%) |
Never | 26 (68.4%) | 46 (24.2%) | 36 (31.9%) | 54 (70.1%) |
Unknown | 0 | 0 | 0 | 1 (1.3%) |
Pack years: Mean (SD) | 14.0 (15.7) | 20.8 (13.6) | 17.1 (10.1) | 9.35 (8.8) |
Mean FEV1% Post BD (SD) | 98.3% (18.0) | 56.2% (24.3) | 59.6% (27.5) | 92.6% (20.2) |
Mean Kco % (SD) | 83.1% (17.8) | 54.7% (18.9) | 65.1% (19.1) | 90% (16.9) |