| Characteristic | N = 50 |
| Age (years) | 68 (7) |
| Gender (% female) | 42 |
| Race % |
|
| Black | 14 |
| White | 84 |
| Other | 2 |
| Education % |
|
| | 8 |
| High school | 39 |
| Some college | 29 |
| College graduate | 14 |
| Graduate school | 10 |
| Smoking history (pack years) | 54 (34) |
| Lung function (post-bronchodilator) |
|
| FEV1 (liters) | 1.7 (0.8) |
| FEV1 percent predicted | 61 (24) |
| FEV1/FVC | 0.57 (0.12) |
| Symptoms/quality of life |
|
| SGRQ | 32 (22) |
| BCSS (average of daily values) | 2.5 (2.4) |
| Biologic markers |
|
| WBC (/mm3) | 7103 (1934) |
| Neutrophils (/mm3) | 3771 (1944) |
| Lymphocytes (/mm3) | 1966 (652) |
| Eosinophils (/mm3) | 223 (155) |
| Hemoglobin (g/dL) | 13.7 (1.7) |
| Platelets (K/mm3) | 243 (86) |
| Fibrinogen+ (mg/dL) | 451 (259) |
| ENO (ppb) | 23 (16) |