Table 1.
Patient and Tumor Characteristics.
| Anatomic Resection (n = 1,132) | |
|---|---|
| Age | |
| Mean | 68.1 ± 9.6 |
| Range | 22-91 |
| Gender | 531 M, 601 F |
| Co-Morbidities (%) | |
| Hypertension | 48.7 |
| Coronary Artery Disease | 16.0 |
| Diabetes Mellitus | 16.4 |
| COPD | 27.8 |
| Prior Cancer History | 24.0 |
| Gastroesophageal Reflux | 16.1 |
| PFTs (Pre-Op) | |
| FEV1 (%) | 2.05(79.3%) |
| DLCO (%) | 15.9 (70.0%) |
| Tumor Size (cm) | 2.3 ± 1.0 |
| Clinical Stage | 1A-863 (72.6%) 1B-269 (23.8%) |
| Histology (%) | |
| Adenocarcinoma | 57.9 |
| Squamous Cell CA | 29.2 |
| Other | 12.9 |
| Grade (%) | |
| Well-Differentiated | 12.1 |
| Moderately-Differentiated | 57.4 |
| Poorly-Differentiated | 30.1 |
| Angiolymphatic Invasion (%) | 41.5 |
| Visceral Pleural Invasion (%) | 27.5 |
| Tumor Inflammation (%) | |
| Low | 57.3 |
| Moderate | 34.9 |
| Severe | 7.7 |
| Operation | |
| Segmentectomy | 384 (33.9%) |
| Lobectomy | 748 (66.1%) |
| Approach | |
| VATS | 609 (53.8%) |
| Open | 522 (46.2%) |
| # Lymph Nodes Examined | |
| Median | 9 |
| Range | 0-85 |
| # Lymph Node Stations Sampled | |
| Median | 3 |
| Range | 0-9 |