Table 2.
Prognostic clinical factors for patients with isolated pulmonary metastases
| n | Median OS (months) | 95% CI (months) | P value | |
|---|---|---|---|---|
| Number of pulmonary metastases | ||||
| ≤3 | 33 | 33.0 | 27.1-38.9 | 0.003 |
| >3 | 71 | 19.0 | 15.1-22.9 | |
| Size of pulmonary metastases, mm | ||||
| ≤5 | 22 | 24.0 | 7.5-40.5 | 0.365 |
| >5 | 75 | 19.0 | 15.0-23.0 | |
| Location of pulmonary metastases | ||||
| Unilateral | 35 | 30.0 | 23.7-36.3 | 0.004 |
| Bilateral | 61 | 18.0 | 13.4-22.5 | |
| Resection of pulmonary metastases | ||||
| Yes | 24 | 33.0 | 22.2-43.8 | 0.029 |
| No | 90 | 19.0 | 16.0-22.0 | |
Statistical significant values are given in bold.
CI, confidence interval; OS, overall survival.