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. 2016 Jul 18;7(33):53217–53229. doi: 10.18632/oncotarget.10676

Table 3. Multivariate analysis.

P HR 95% of CI
Lower Upper
Performance status < 0.001 0.451 0.310 0.656
Disease free interval 0.856 0.968 0.683 1.373
EBV DNA 0.001 1.941 1.330 2.832
Single organ or multiple organ site metastasis < 0.001 2.498 1.710 3.649