Table 1
Age, sex and diagnosis of study subjects
Ventilatory defect
Mean (SD) age
Sex (M:F)
Pulmonary fibrosis
COPD/ asthma
Sarcoidosis
Other
Normal
Normal (n = 25)
34 (13)
12:13
0
0
2
23
Restrictive (n = 17)
61 (13)
9:8
10
2
5
Obstructive (n = 17)
54 (10)
10:7
14
3