Optimization of radiotherapy for neck carcinoma metastasis from unknown primary sites: a meta-analysis.

Oncotarget · 2016 · PMC5346673 · PMID 27791201

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did not reach statistical significanceno p-value reported

The benefit to 5-year DFS showed a similar trend (RR = 0.81, 95% CI 0.62–1.07, p = 0.13) (Figure 2B ), though this did not reach statistical significance.

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