Table 1.
Demographic details of the study cohort (n = 57)
| Characteristics | Total study cohort (n = 57) |
|
|---|---|---|
| n | % | |
| Median age at surgery (range) | 64 (33–83) | |
| Median follow-up after metastasectomy in months (range) | 30 (4–137) | |
| Sex | ||
| Male | 33 | 57.9 |
| Female | 24 | 42.1 |
| Localization of primary tumor | ||
| Colon | 32 | 56.1 |
| Rectum | 25 | 43.9 |
| UICC stage of primary tumor | ||
| I | 4 | 7.4 |
| II | 14 | 25.9 |
| III | 27 | 50.0 |
| IV | 9 | 16.7 |
| Unknown | 3 | – |
| Previous liver metastasis | ||
| Yes | 17 | 29.8 |
| No | 40 | 70.2 |
| DFI | ||
| <36 months | 38 | 66.7 |
| 36–60 months | 9 | 15.8 |
| 60 months | 10 | 17.5 |
| No. of pulmonary metastases | ||
| Singular | 37 | 64.9 |
| Multiple | 20 | 35.1 |
| Chemotherapy before metastasectomy | ||
| Yes | 45 | 78.9 |
| No | 12 | 21.1 |
| Chemotherapy after metastasectomy | ||
| Yes | 43 | 75.4 |
| No | 14 | 24.6 |
DFI disease-free survival to first pulmonary metastasis