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. 2018 May 9;16(1):308–316. doi: 10.3892/ol.2018.8676

Table IV.

Multivariate analysis of cervical lymph node variables associated with prognosis.

Variables OS DFS RFS DMFS
Levels 1 and 2 0.007 0.003 0.006 0.003
Dmax 0.918 0.764 0.793 0.945
Laterality 0.006 0.006 0.004 0.007
RLN <0.001 <0.001 <0.001 0.001
Extracapsular spread 0.909 0.999 0.962 0.925
Necrosis 0.242 0.424 0.232 0.193

OS, overall survival; DFS, disease-free survival; RFS, relapse-free survival; DMFS, distant metastasis-free survival; Dmax, maximum diameter; RLN, retropharyngeal lymph nodes.