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) | 7/2 | 6/5 | |
| 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 |