Clinical Study
Metastasectomy of Pulmonary Metastases from Osteosarcoma: Prognostic Factors and Indication for Repeat Metastasectomy
Table 2
Univariate analysis and multivariate analysis.
| | Factor | Univariate | | Multivariate | | | HR (95% CI) | HR (95% CI) |
| | Age (>15 vs. ≦15) | 0.38 (0.14–0.97) | 0.04* | 0.24 (0.08–0.68) | 0.01* | | Sex (male vs. female) | 1.33 (0.54–3.30) | 0.53 | | | | Maximal diameter of the tumor at first metastasectomy | 1.55 (0.83–2.90) | 0.17 | | | Total number of resected pulmonary metastases
at first metastasectomy (≦3 vs. >3) | 0.28 (0.11–0.70) | 0.01* | 0.18 (0.06–0.51) | <0.01* | | Number of surgeries | 1.16 (0.77–1.75) | 0.47 | | | | Disease-free interval | 0.99 (0.96–1.02) | 0.53 | | |
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HR: hazard ratio; CI: confidence interval.
* value less than 0.05.
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