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Table 3 The survival data of N3 patients with or without node metastasis of PLV

From: Distribution pattern and prognosis of metastatic lymph nodes in cervical posterior to level V in nasopharyngeal carcinoma patients

Variable

5-year OS

5-year PFS

5-year LRFS

5-year DMFS

%

P

%

P

%

P

%

P

PLV (+) (n = 26)

41.8

0.007

27.8

0.005

92.3

0.521

40.6

< 0.001

PLV (−) (n = 60)

67.3

48.5

80.5

78.4

  1. Abbreviations: PLV (+) node metastasis with posterior to level V, PLV (−) node metastasis without posterior to level V