Table 3.
Baseline characteristics and outcomes for centrally and peripheral located tumors after propensity scoring used to create subclasses of patients with similar baseline characteristic distributions.
| Central Tumors (n=135) | Peripheral Tumors (n=122) | p-value | |
|---|---|---|---|
| Baseline Characteristics | |||
| Age | 67.5±8.6 | 67.5±9.3 | 1 |
| % predicted FEV1 | 68±21 | 70±22 | 0.5 |
| % predicted DLCO | 72±22 | 72±18 | 0.9 |
| History of Smoking | 124 (92%) | 107 (88%) | 0.3 |
| Coronary Artery Disease | 40 (30%) | 23 (19%) | 0.06 |
| Previous Thoracic Surgery | 17 (13%) | 19 (16%) | 0.6 |
| Prior Chemotherapy | 11 (8%) | 6 (5%) | 0.4 |
| Tumor Size | 0.2 | ||
| ≤3cm | 40 (30%) | 46 (38%) | |
| >3cm | 95 (70%) | 76 (62%) | |
| Clinical Nodal Status | 0.3 | ||
| Clinical N0 | 102 (76%) | 99 (81%) | |
| Clinical N1-N3 | 33 (24%) | 23 (19%) | |
| Outcome Variables Perioperative Mortality | 3 (2.2%) | 2 (1.6%) | 1 |
| Overall Morbidity | 56 (41%) | 44 (36%) | 0.4 |
| Hospital Stay | 5.3±3.6 | 5.8±6.7 | 0.4 |