Table 1

Mean (SD) anthropometric and functional characteristics of study subjects

NFL (n=9)FL (n=11)p value
NFL and FL=non-flow limited and flow limited subjects.
See text for abbreviations.
Sex (M/F)7/26/5
Age (years)63 (10)66 (7)NS
Dyspnoea (MRC scale)1.2 (0.7)2.4 (0.7)<0.01
Pao2 (kPa)9.6 (2.3)9.6 (2.1)NS
Paco2 (kPa)5.7 (1.3)5.7 (0.9)NS
TLC (% pred)137 (35)112 (39)NS
VC (% pred)89 (16)82 (16)NS
FRC (% pred)179 (53)157 (57)NS
FEV1 (% pred)50 (16)44 (19)NS
FVC (% pred)81 (22)71 (16)NS
FEV1/FVC (%)50 (12)49 (14)NS