variable | units | mean | SD | max | min | Correlations with BDI score | |
---|---|---|---|---|---|---|---|
 |  |  |  |  |  | Rs | p value |
Age | years | 71.6 | 8.7 | 90 | 40 | -0.25 | 0.0014 |
BMI | kg/m2 | 21.1 | 3.2 | 32.2 | 13.3 | 0.17 | 0.0320 |
Cumulative Smoking | pack-years | 71 | 42 | 268 | 4 | -0.23 | 0.0033 |
VC | Liters | 3.21 | 0.91 | 5.31 | 0.97 | 0.45 | < 0.0001 |
VC | % pred | 102.6 | 22.8 | 156.2 | 38.6 | 0.48 | < 0.0001 |
FVC | Liters | 3.05 | 0.89 | 5.25 | 0.99 | 0.47 | < 0.0001 |
FVC | % pred | 97.4 | 22.5 | 147.9 | 40.9 | 0.51 | < 0.0001 |
FEV1 | Liters | 1.52 | 0.72 | 3.46 | 0.39 | 0.60 | < 0.0001 |
FEV1 | % pred | 68.5 | 27.4 | 133.0 | 13.0 | 0.60 | < 0.0001 |
FEV1/FVC | % | 48.2 | 13.9 | 69.9 | 22.1 | 0.56 | < 0.0001 |
TLC | Liters | 5.65 | 1.15 | 8.49 | 2.86 | 0.24 | 0.0022 |
TLC | % pred | 111.3 | 17.5 | 160.6 | 57.3 | 0.24 | 0.0022 |
IC | Liters | 2.09 | 0.68 | 3.57 | 0.69 | 0.45 | < 0.0001 |
IC/TLC | % | 36.8 | 8.6 | 60.3 | 11.8 | 0.47 | < 0.0001 |
IC/predicted TLC | % | 41.1 | 11.7 | 66.5 | 12.2 | 0.46 | < 0.0001 |
DLco | mL/min/mmHg | 10.26 | 5.45 | 24.66 | 0.22 | 0.55 | < 0.0001 |
DLco | % pred | 65.0 | 27.3 | 133.7 | 2.5 | 0.53 | < 0.0001 |
DLco/VA | mL/min/mmHg/L | 2.35 | 1.16 | 6.52 | 0.03 | 0.52 | < 0.0001 |
PaO2 | mmHg | 80.1 | 11.5 | 104.8 | 50.3 | 0.48 | < 0.0001 |
PaCO2 | mmHg | 40.5 | 4.8 | 63.3 | 30.7 | 0.00 | 0.98 |
pH (arterial blood) | Â | 7.43 | 0.03 | 7.53 | 7.33 | 0.04 | 0.64 |
BNP | pg/mL | 46.5 | 78.8 | 521.0 | 3.0 | -0.23 | 0.0033 |
BDI score | (0-12) | 8.5 | 2.8 | 12 | 0 | - | - |
Gender | 147 Male/20 Female | ||||||
Smoking Status | 29 Current/138 Former |