No effect could be shown on overall survival, both in univariate and in multivariate analysis, although a strong trend of improved survival was found in the AP group for adequate margins.
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Survival and prognostic factors in chondrosarcoma: results in 115 patients with long-term follow-up.
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The sentences
With volumetric data missing in 7 out of 47 patients in the AP group, such an alternative staging system correlated better with overall and event-free survival in our series—but also failed to reach statistical significance (data not shown).