Table 2:
Patient and Tumor-related Factors, propensity matched patients
| Lobectomy (n=325) |
Sublobar Resection (n=325) |
P value | |
|---|---|---|---|
|
Patient-Related
Factors | |||
| Age (year) | 69.4± 9.6 | 69.3±9.6 | 0.877 |
| Male gender | 154 (47.4%) | 153 (47.1%) | 1.000 |
| Insured | 315 (98.1%) | 314 (98.4%) | 1.000 |
| Race | |||
| Caucasian | 297 (91.4%) | 298 (91.7%) | 0.985 |
| African American | 18 (5.5%) | 17 (5.2%) | |
| Other | 10 (3.1%) | 101 (3.1%) | |
| Comorbidity | |||
| COPD | 176 (54.2%) | 185 (56.9%) | 0.528 |
| Congestive Heart Failure (CHF) | 36 (11.1%) | 28 (8.6%) | 0.357 |
| Coronary Artery Disease (CAD) | 93 (28.6%) | 84 (25.8%) | 0.481 |
| Diabetes | 51 (15.7%) | 55 (16.9%) | 0.750 |
| Peripheral Vascular Disease | 34 (10.5%) | 30 (9.2%) | 0.693 |
| Psychiatric History | 24 (7.4%) | 21 (6.5%) | 0.757 |
| Substance Abuse | 16 (4.9%) | 17 (5.2%) | 1.000 |
| Chemotherapy | 35 (11.2%) | 35 (11.1%) | 1.000 |
| Radiation | 10 (3.2%) | 30 (9.6%) | 0.002 |
|
Tumor-Related
Factors | |||
| Tumor Size, mm (IQR) | 18 (13, 22) | 17 (14, 22) | 0.970 |
| Number of lymph nodes sampled (IQR) | 7 (3,10) | 1 (0,4) | <0.001 |
| Pathologic Stage | |||
| Stage 1 | 298 (91.7%) | 309 (95.1%) | 0.203 |
| Stage 2 | 17 (5.2%) | 9 (2.8%) | |
| Stage 3 | 10 (3.1%) | 7 (2.2%) | 0.203 |
| Histology | |||
| Adenocarcinoma | 199 (61.2%) | 198 (60.9%) | 0.861 |
| Squamous | 96 (29.5%) | 93 (28.6%) | |
| Other | 30 (9.2%) | 34 (10.5%) | |
| Positive Surgical Margins | 8 (2.5%) | 22 (6.8%) | 0.013 |