Table 1.
Patient Characteristics
| Characteristic | All Patients (n = 112) | Percent (%) |
|---|---|---|
| Gender | ||
| Male | 46 | 41 |
| Female | 66 | 59 |
| Median age in years (range) | 69 (34–87) | |
| Comorbid Conditions | ||
| Hypertension | 64 | |
| Diabetes | 17 | |
| Renal disease | 10 | |
| Previous myocardial infarction | 7 | |
| Cardiovascular disease | 37 | |
| History of stroke | 4 | |
| History of transient ischemic attack | 4 | |
| Congestive heart failure | 5 | |
| COPD | 34 | |
| Alcohol abuse (Past and Current) | 11 | |
| Diagnosis/Indications for surgery | ||
| Primary tumor | 96 | 86 |
| Metastatic tumor | 5 | 4 |
| Lung nodule | 7 | 6 |
| Othera | 4 | 4 |
| Smoking History | ||
| Never | 31 | 27 |
| Current | 21 | 19 |
| Former | 60 | 54 |
| Pulmonary function tests (n = 101) | ||
| FEV1 % predicted (mean ± SD) | 81.2 ± 24.3 | |
| FVC % predicted (mean ± SD) | 86.0 ± 25.5 | |
| DLCO % predicted (mean ± SD) | 70.9 ± 25.0 | |
COPD chronic obstructive pulmonary disease, FEV 1 forced expiratory volume in 1 s, FVC forced vital capacity, DLCO diffusing capacity of carbon monoxide
aOther diagnosis include: COPD, chronic bronchitis, aspergilloma, bleb