TABLE 1.
DEMOGRAPHICS, PULMONARY FUNCTION, AND THE EXTENT OF EMPHYSEMA (N = 79)
| Mean | SD | |
|---|---|---|
| Age, years | 65 | 7 |
| Sex, % female | 41.8 | |
| BMI | 25.3 | 4.3 |
| FEV1, % predicted | 28.0 | 6.5 |
| FVC, % predicted | 67.6 | 15.7 |
| TLC, % predicted | 125.6 | 12.2 |
| RV, % predicted | 220.4 | 45.6 |
| DlCO, % predicted | 27.2 | 8.2 |
| PaO2 | 64.5 | 9.9 |
| %LAA−950 | 26.1 | 11.7 |
Definition of abbreviations: BMI = body mass index; DlCO = diffusing capacity of the lung for carbon monoxide; RV = residual volume; %LAA−950 = CT measurement of the percentage of low attenuation area less than −950 Hounsfield units, defined as emphysema.