Table 2 Patient and baseline clinical characteristics. *Disease-free interval refers to the time between resection of primary malignancy, and detection of metastatic disease
Laser-assisted (n = 27) | Stapled (n = 30) | P value | |
|---|---|---|---|
Age at metastasectomy, years | 62 ± 12 | 66 ± 10 | 0.1626 |
Male gender | 15 (56%) | 19 (63%) | 0.5501 |
Charlson comorbidity index | 8.4 ± 1.3 | 8.7 ± 1.3 | 0.5356 |
Primary malignancy | |||
Breast | 2 (7%) | 2 (7%) | 0.3112 |
Colorectal | 23 (85%) | 21(70%) | |
Endometrial | 0 (0%) | 2 (7%) | |
Melanoma | 1 (4%) | 3 (10%) | |
Renal | 0 (0%) | 2 (7%) | |
Testicular | 1 (4%) | 0 (0%) | |
Disease-free interval*, months | 29 ± 23 | 35 ± 34 | 0.4372 |
Bilateral pulmonary lesions | 8 (30%) | 8 (27%) | 0.8037 |
Extrathoracic metastases | 8 (30%) | 14 (47%) | 0.1871 |
Previous ipsilateral procedure | 9 (33%) | 3 (10%) | 0.0310* |