Demographics and Physiology
| sigDesat Median (IQR) | nonsigDesat Median (IQR) | |
| Age (yrs) | 75 (62.5-79.0) | 73.5 (68.8-79.3) |
| Male:Female | 15:6 | 17:5 |
| BMI (kg/m2) | 27 (25-29) | 28 (26-32) |
| Definite IPF:Not definite | 10:11 | 13:9 |
| FVC (L) | 2.5 (2.2-2.8) | 2.8 (2.5-3.4)* |
| TLC (L) | 3.6 (2.9-4.1) | 4.2(3.8-4.9)* |
| TLCO (ml/min/kPa) | 3.2 (2.5-3.7) | 4.3 (3.4-5.2)* |
| Distance (m) | 310 (175-372) | 265 (165-388) |
| VO2 (ml/kg) | 14 (12-16) | 14 (13-17) |
| VE/VCO2 | 34 (32-40) | 34 (30-38) |
*=p<0.01